APA Alıntı

Nishanth Singh. (2003). Paryavaran aur jal pradhushan. Trim Book Service.

Chicago Stili Alıntı

Nishanth Singh. Paryavaran Aur Jal Pradhushan. Delhi: Trim Book Service, 2003.

MLA Alıntı

Nishanth Singh. Paryavaran Aur Jal Pradhushan. Trim Book Service, 2003.