Singh, R. (2003). Ecotourism and wild life tourism: Policies and guidelines. Kanishka.
Chicago Edition CitationSingh, Ratandeep. Ecotourism and Wild Life Tourism: Policies and Guidelines. New Delhi: Kanishka, 2003.
Cita MLASingh, Ratandeep. Ecotourism and Wild Life Tourism: Policies and Guidelines. Kanishka, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.