Παραπομπή APA

Murugan,Annamalai, India-Pondicherry, & Ecotourism. (2012). Ecotourism: Its potential and usefulness. Abhijeet.

Παραπομπή Chicago Style

Murugan,Annamalai, India-Pondicherry, και Ecotourism. Ecotourism: Its Potential and Usefulness. New Delhi: Abhijeet, 2012.

Παραπομπή MLA

Murugan,Annamalai, et al. Ecotourism: Its Potential and Usefulness. Abhijeet, 2012.