Παραπομπή APA

Chawla, R. (2006). Ecotourism and development. Sumit enterprises.

Παραπομπή Chicago Style

Chawla, Ramesh. Ecotourism and Development. New Delhi: Sumit enterprises, 2006.

Παραπομπή MLA

Chawla, Ramesh. Ecotourism and Development. Sumit enterprises, 2006.