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↑Ahn, Byeong-gil (January 13, 2025). SM 신인 걸그룹 '하츠투하츠' 뜬다 [SM's new girl group 'Hearts2Hearts' is on the rise]. The Korea Economic Daily (ภาษาเกาหลี). สืบค้นเมื่อ January 13, 2025.
↑ 12.012.112.2Kim, Ji-hye (January 17, 2025). SM, 에스파 동생까지 성공시킬까... 하츠투하츠에 걸린 기대 [SM, will even the sisters of Aespa succeed? Expectations for Hearts to Hearts]. IS Plus (ภาษาเกาหลี). เก็บจากแหล่งเดิมเมื่อ January 16, 2025. สืบค้นเมื่อ January 17, 2025.
↑Han, Hae-seon (January 31, 2025). 'SM 신인 걸그룹' 하츠투하츠, 인스타그램 오픈..2월 데뷔 '기대 UP' ['SM's new girl group' Hearts2Hearts opens Instagram.. February debut 'anticipation UP']. สืบค้นเมื่อ February 1, 2025 – โดยทาง Naver.
↑Yoo, Ji-hye (February 3, 2025). '에스파 동생' 하츠투하츠, 24일 '더 체이스'로 데뷔 ['Aespa's younger sister' Hearts to Hearts, debuting on the 24th with 'The Chase']. The Dong-a Ilbo (ภาษาเกาหลี). สืบค้นเมื่อ February 3, 2025.
↑Yoo, Ji-hye (February 3, 2025). '에스파 동생' 하츠투하츠, 24일 '더 체이스'로 데뷔 ['Aespa's younger sister' Hearts to Hearts, debuting on the 24th with 'The Chase']. The Dong-a Ilbo (ภาษาเกาหลี). สืบค้นเมื่อ February 3, 2025.
↑Yoo, Ji-hye (February 3, 2025). '에스파 동생' 하츠투하츠, 24일 '더 체이스'로 데뷔 ['Aespa's younger sister' Hearts to Hearts, debuting on the 24th with 'The Chase']. The Dong-a Ilbo (ภาษาเกาหลี). สืบค้นเมื่อ February 3, 2025.
↑Yoo, Ji-hye (February 3, 2025). '에스파 동생' 하츠투하츠, 24일 '더 체이스'로 데뷔 ['Aespa's younger sister' Hearts to Hearts, debuting on the 24th with 'The Chase']. The Dong-a Ilbo (ภาษาเกาหลี). สืบค้นเมื่อ February 3, 2025.
↑Yoo, Ji-hye (February 3, 2025). '에스파 동생' 하츠투하츠, 24일 '더 체이스'로 데뷔 ['Aespa's younger sister' Hearts to Hearts, debuting on the 24th with 'The Chase']. The Dong-a Ilbo (ภาษาเกาหลี). สืบค้นเมื่อ February 3, 2025.
↑Yoo, Ji-hye (February 3, 2025). '에스파 동생' 하츠투하츠, 24일 '더 체이스'로 데뷔 ['Aespa's younger sister' Hearts to Hearts, debuting on the 24th with 'The Chase']. The Dong-a Ilbo (ภาษาเกาหลี). สืบค้นเมื่อ February 3, 2025.
↑Yoo, Ji-hye (February 3, 2025). '에스파 동생' 하츠투하츠, 24일 '더 체이스'로 데뷔 ['Aespa's younger sister' Hearts to Hearts, debuting on the 24th with 'The Chase']. The Dong-a Ilbo (ภาษาเกาหลี). สืบค้นเมื่อ February 3, 2025.
↑Yoo, Ji-hye (February 3, 2025). '에스파 동생' 하츠투하츠, 24일 '더 체이스'로 데뷔 ['Aespa's younger sister' Hearts to Hearts, debuting on the 24th with 'The Chase']. The Dong-a Ilbo (ภาษาเกาหลี). สืบค้นเมื่อ February 3, 2025.