Cita APA (7th ed.)

Yadav, M. (2009). Environment studies. Arise Publishers & Distributors.

Cita Chicago (17th ed.)

Yadav, M.S. Environment Studies. New Delhi: Arise Publishers & Distributors, 2009.

Cita MLA (9th ed.)

Yadav, M.S. Environment Studies. Arise Publishers & Distributors, 2009.