Sharma, K. (2009). New perspectives of ecotourism. Jnanada Prakashan.
シカゴスタイル引用形Sharma, Kadambari. New Perspectives of Ecotourism. New Delhi: Jnanada Prakashan, 2009.
MLA引用形式Sharma, Kadambari. New Perspectives of Ecotourism. Jnanada Prakashan, 2009.
警告: この引用は必ずしも正確ではありません.