Παραπομπή APA

Singh, A. (2006). Environment and water resources management. Adhyayan Publishers & Distributers.

Παραπομπή Chicago Style

Singh, A.K. Environment and Water Resources Management. Delhi: Adhyayan Publishers & Distributers, 2006.

Παραπομπή MLA

Singh, A.K. Environment and Water Resources Management. Adhyayan Publishers & Distributers, 2006.