Παραπομπή APA

Prasad, G. (2007). Eco-tourism and environmental management. Discovery publishing house.

Παραπομπή Chicago Style

Prasad, Govind. Eco-tourism and Environmental Management. New Delhi: Discovery publishing house, 2007.

Παραπομπή MLA

Prasad, Govind. Eco-tourism and Environmental Management. Discovery publishing house, 2007.