Παραπομπή APA

Singh, R. (2003). National ecotourism and wildlife tourism: Policies and guidelines. Kanishka.

Παραπομπή Chicago Style

Singh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. New Delhi: Kanishka, 2003.

Παραπομπή MLA

Singh, Ratandeep. National Ecotourism and Wildlife Tourism: Policies and Guidelines. Kanishka, 2003.