APA引文

(2010). The environment encyclopedia and directory 2010 (5th ed.). Routledge.

Chicago Edition Citation

The Environment Encyclopedia and Directory 2010. 5th ed. Singer street, London: Routledge, 2010.

MLA引文

The Environment Encyclopedia and Directory 2010. 5th ed. Routledge, 2010.

警告：這些引文格式不一定是100％准確.