Chawla, R. (2003). Ecotourism and development. Sonali Publications.
シカゴスタイル引用形Chawla, Romila. Ecotourism and Development. New Delhi: Sonali Publications, 2003.
MLA引用形式Chawla, Romila. Ecotourism and Development. Sonali Publications, 2003.
警告: この引用は必ずしも正確ではありません.