APA citiranje

Rao, P. V. (2010). Principles of environmental science and engineering. PHI learning.

Chicago Edition Citation

Rao, P. Venugopala. Principles of Environmental Science and Engineering. New Delhi: PHI learning, 2010.

MLA citiranje

Rao, P. Venugopala. Principles of Environmental Science and Engineering. PHI learning, 2010.