(1980). Animals and their young. London: Purnell & Son Ltd.
Trích dẫn kiểu ChicagoAnimals and Their Young. London: Purnell & Son Ltd, 1980.
MLA引文Animals and Their Young. London: Purnell & Son Ltd, 1980.
警告：這些引文格式不一定是100％准確.
APA引文