Sivashanmugam, P. (2007). Basics of Environmental science and Engineering.
Chicago Style aipamenaSivashanmugam, P. Basics of Environmental Science and Engineering. New Delhi, New India Publishing Agency, 2007.
MLA aipamenaSivashanmugam, P. Basics of Environmental Science and Engineering. 2007.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.