APA引文

Chua, C. H., Toh, B. S., Foo, J. S. J., & Henderson, J. C. (2008). Singapore Zoological Garden: A question of survival.

Chicago Style Citation

Chua, Cheng Hian., Boon Seng Toh, Jaclyn Siow Jun Foo, and Joan C. Henderson. Singapore Zoological Garden: A Question of Survival. 2008.

MLA引文

Chua, Cheng Hian., Boon Seng Toh, Jaclyn Siow Jun Foo, and Joan C. Henderson. Singapore Zoological Garden: A Question of Survival. 2008.

警告：這些引文格式不一定是100％准確.