APA aipamena

Singh , A. (2006). Environment and water reources management. Adhyayan.

Chicago Style aipamena

Singh , A. Environment and Water Reources Management. New Delhi: Adhyayan, 2006.

MLA aipamena

Singh , A. Environment and Water Reources Management. Adhyayan, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.