Παραπομπή APA

Chawla, R. (2003). Ecotourism and development. Sonali Publications.

Παραπομπή Chicago Style

Chawla, Romila. Ecotourism and Development. New Delhi: Sonali Publications, 2003.

Παραπομπή MLA

Chawla, Romila. Ecotourism and Development. Sonali Publications, 2003.