Rai, S. C. (2012). Ecotourism and biodiversity conservation. Nova Science Publishers, Inc..
Chicagoスタイル(17版)引用形式Rai, Suresh Chand. Ecotourism and Biodiversity Conservation. New York: Nova Science Publishers, Inc., 2012.
MLA(9版)引用形式Rai, Suresh Chand. Ecotourism and Biodiversity Conservation. Nova Science Publishers, Inc., 2012.
警告: この引用は必ずしも正確ではありません.