Cita APA (7th ed.)

RAJAGOPALAN R. (2012). ENVIRONMENTAL STUDIES (2ND ED.). OXFORD UNIVERSITY PRESS.

Cita Chicago (17th ed.)

RAJAGOPALAN R. ENVIRONMENTAL STUDIES. 2ND ED. NEW DELHI: OXFORD UNIVERSITY PRESS, 2012.

Cita MLA (9th ed.)

RAJAGOPALAN R. ENVIRONMENTAL STUDIES. 2ND ED. OXFORD UNIVERSITY PRESS, 2012.