Kushwash, R. B. S., & Vijay Kumar. (2001). Economics of protected areas and its effect on biodiversity.
Chicago Edition CitationKushwash, Ram Bir Singh, i Vijay Kumar. Economics of Protected Areas and Its Effect on Biodiversity. New Delhi, APH publishing Corporation, 2001.
Cita MLAKushwash, Ram Bir Singh, i Vijay Kumar. Economics of Protected Areas and Its Effect on Biodiversity. 2001.
Atenció: Aquestes cites poden no estar 100% correctes.