Murugan,Annamalai, India-Pondicherry, & Ecotourism. (2012). Ecotourism: Its potential and usefulness. Abhijeet.
シカゴスタイル引用形Murugan,Annamalai, India-Pondicherry, , Ecotourism. Ecotourism: Its Potential and Usefulness. New Delhi: Abhijeet, 2012.
MLA引用形式Murugan,Annamalai, et al. Ecotourism: Its Potential and Usefulness. Abhijeet, 2012.
警告: この引用は必ずしも正確ではありません.