Cita APA

(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.

Cita MLA

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

Atenció: Aquestes cites poden no estar 100% correctes.