Παραπομπή APA

Bhattacharya, A. (2005). Ecotourism and livelihoods. Concept.

Παραπομπή Chicago Style

Bhattacharya, A.K. Ecotourism and Livelihoods. New Delhi: Concept, 2005.

Παραπομπή MLA

Bhattacharya, A.K. Ecotourism and Livelihoods. Concept, 2005.