APA引文

Bhatt Harish. (2006). Sustainable Tourism/1e. Crescent.

Chicago Edition Citation

Bhatt Harish. Sustainable Tourism/1e. New Delhi: Crescent, 2006.

MLA引文

Bhatt Harish. Sustainable Tourism/1e. Crescent, 2006.

警告：這些引文格式不一定是100％准確.