Tohutoro APA (7th ed.)

Manjunath, D. (2007). Environmental studies. Pearson Education.

Tohutoru Kātū Chicago (17th ed.)

Manjunath, D.L. Environmental Studies. New Delhi: Pearson Education, 2007.

Tohutoro MLA (9th ed.)

Manjunath, D.L. Environmental Studies. Pearson Education, 2007.