^Random House Webster's Unabridged Dictionary (چاپی 2nd). New York: Random House. 2004. لاپەڕە ١٥٦٠. ژپنک٩٧٨-٠-٣٧٥-٤٢٥٩٩-٨. لە ١١ی کانوونی یەکەمی ٢٠١٥ ھێنراوە. psycho-, a combining form representing psyche in compound words. … (Gk, comb. form of psyche breath, spirit, soul, mind; akin to psychein to blow).
^Bunge, Mario (1983). Treatise on Basic Philosophy: Volume 6: Epistemology & Methodology II: Understanding the World. Springer. p. 226. "Despite being several thousand years old, and having attracted a large number of researchers over the past hundred years, we owe no single firm finding to parapsychology: no hard data on telepathy, clairvoyance, precognition, or psychokinesis."
^Vyse، Stuart (2000). Believing in Magic: The Psychology of Superstition (چاپی 1st). Oxford: Oxford University Press. لاپەڕە ١٢٩. ژپنک٩٧٨-٠-١٩-٥١٣٦٣٤-٠. لە ١١ی کانوونی یەکەمی ٢٠١٥ ھێنراوە. [M]ost scientists, both psychologists and physicists, agree that it has yet to be convincingly demonstrated.
^Sternberg، Robert J.؛ Roediger III، Henry J.؛ Halpern، Diane F. (2007). Critical Thinking in Psychology (چاپی 1st). Cambridge: Cambridge University Press. لاپەڕە ٢١٦–٢٣١. ژپنک٩٧٨-٠-٥٢١-٦٠٨٣٤-٣. لە ١١ی کانوونی یەکەمی ٢٠١٥ ھێنراوە.