APA引文

Chawla, R. (2006). Ecology and tourism development. Sumit enterprises.

Chicago Edition Citation

Chawla, Ramesh. Ecology and Tourism Development. New Delhi: Sumit enterprises, 2006.

MLA引文

Chawla, Ramesh. Ecology and Tourism Development. Sumit enterprises, 2006.

警告：這些引文格式不一定是100％准確.