Peter Cook. (2005). Why Animals Show Off. Jakarta: Gramedia Pustaka Utama.
Chicago Style CitationPeter Cook. Why Animals Show Off. Jakarta: Gramedia Pustaka Utama, 2005.
Cita MLAPeter Cook. Why Animals Show Off. Jakarta: Gramedia Pustaka Utama, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.