Παραπομπή APA

Sankaran Unni K. (2003). Ecology of indian rivers: A review. International Book Distributors.

Παραπομπή Chicago Style

Sankaran Unni K. Ecology of Indian Rivers: A Review. Uttaranchal: International Book Distributors, 2003.

Παραπομπή MLA

Sankaran Unni K. Ecology of Indian Rivers: A Review. International Book Distributors, 2003.