Deepak, K. (2018). Environment security and tourism development. Ishika.
シカゴスタイル引用形Deepak, Kaushik. Environment Security and Tourism Development. ND: Ishika, 2018.
MLA引用形式Deepak, Kaushik. Environment Security and Tourism Development. Ishika, 2018.
警告: この引用は必ずしも正確ではありません.