(2006). Ecotourism planning and management. Sonali.
Chicago Edition CitationEcotourism Planning and Management. NewDelhi: Sonali, 2006.
MLA引文Ecotourism Planning and Management. Sonali, 2006.
警告:這些引文格式不一定是100%准確.
(2006). Ecotourism planning and management. Sonali.
Chicago Edition CitationEcotourism Planning and Management. NewDelhi: Sonali, 2006.
MLA引文Ecotourism Planning and Management. Sonali, 2006.