Gaya APA

Yip, P. (1994). Human Biology 2 A Modern Approach (-). Hongkong: Hongkong: Aristo Educational Pers,.

Gaya MLA

Yip, Pauline. "Human Biology 2 A Modern Approach". - Hongkong: Hongkong: Aristo Educational Pers,, 1994. Pend. Biologi.