APA Alıntı

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

Chicago Stili Alıntı

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

MLA Alıntı

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

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