Παραπομπή APA

Sivashanmugam, P. (2007). Basics of Environmental science and Engineering.

Παραπομπή Chicago Style

Sivashanmugam, P. Basics of Environmental Science and Engineering. New Delhi, New India Publishing Agency, 2007.

Παραπομπή MLA

Sivashanmugam, P. Basics of Environmental Science and Engineering. 2007.