Verma, G. (2008). Ecotourism and development in the new millenium. Mahadev.
シカゴスタイル引用形Verma, Geeta. Ecotourism and Development in the New Millenium. Mahadev, 2008.
MLA引用形式Verma, Geeta. Ecotourism and Development in the New Millenium. Mahadev, 2008.
警告: この引用は必ずしも正確ではありません.