Sarvjeet Singh. (2009). Eco-tourism development management. A K Publications.
シカゴスタイル引用形Sarvjeet Singh. Eco-tourism Development Management. New Delhi: A K Publications, 2009.
MLA引用形式Sarvjeet Singh. Eco-tourism Development Management. A K Publications, 2009.
警告: この引用は必ずしも正確ではありません.