Citazione APA

Sharma, S. P. (2006). Tourism and environment: Concepts, principles and approaches. Kanishka.

Stile di citazione Chicago

Sharma, Shashi Prabha. Tourism and Environment: Concepts, Principles and Approaches. New Delhi: Kanishka, 2006.

Citazione MLA

Sharma, Shashi Prabha. Tourism and Environment: Concepts, Principles and Approaches. Kanishka, 2006.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.