APA引文

O'Brien, D. (2006). The penguin India reference year book 2007. Penguin.

Chicago Edition Citation

O'Brien, Derek. The Penguin India Reference Year Book 2007. New Delhi: Penguin, 2006.

MLA引文

O'Brien, Derek. The Penguin India Reference Year Book 2007. Penguin, 2006.

警告：這些引文格式不一定是100％准確.