Zimkus & Gvoždík, 2013 : Sky Islands of the Cameroon Volcanic Line: a diversification hot spot for puddle frogs (Phrynobatrachidae: Phrynobatrachus). Zoologica Scripta, vol. 42, p. 591-611.
↑Zimkus & Gvoždík, 2013 : Sky Islands of the Cameroon Volcanic Line: a diversification hot spot for puddle frogs (Phrynobatrachidae: Phrynobatrachus). Zoologica Scripta, vol. 42, p. 591-611.