APA引文

Kaushal,Prerna, & Shar5ma,Shashi Prabha. (2011). Ecological and environmental impact of tourism. Kanishka.

Chicago Edition Citation

Kaushal,Prerna, and Shar5ma,Shashi Prabha. Ecological and Environmental Impact of Tourism. New Delhi: Kanishka, 2011.

MLA引文

Kaushal,Prerna, and Shar5ma,Shashi Prabha. Ecological and Environmental Impact of Tourism. Kanishka, 2011.

警告：這些引文格式不一定是100％准確.