Chandra, P. (2003). Global Ecotourism, codes, protocols and charters.
Chicago Edition CitationChandra, Prabhas. Global Ecotourism, Codes, Protocols and Charters. Newdelhi, Kanishka Publishers, 2003.
Cita MLAChandra, Prabhas. Global Ecotourism, Codes, Protocols and Charters. 2003.
Atenció: Aquestes cites poden no estar 100% correctes.