APA aipamena

Kaushal, P. S. (2011). Ecological amd environment impact of tourism.

Chicago Style aipamena

Kaushal, Prerna; Sharma. Ecological Amd Environment Impact of Tourism. Kanishka Publishers Distributers, New Delhi, 2011.

MLA aipamena

Kaushal, Prerna; Sharma. Ecological Amd Environment Impact of Tourism. 2011.