APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.