Παραπομπή APA

Sharma, K. (2009). New perspectives of ecotourism. Jnanada Prakashan.

Παραπομπή Chicago Style

Sharma, Kadambari. New Perspectives of Ecotourism. New Delhi: Jnanada Prakashan, 2009.

Παραπομπή MLA

Sharma, Kadambari. New Perspectives of Ecotourism. Jnanada Prakashan, 2009.