APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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