Style de citation APA

Kaushal, P., & Sharma, S. P. (2011). Ecological and environmental impact of tourism. Kanishka.

Style de citation Chicago

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

Style de citation MLA

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