Geetha Bali. (2002). Environmental biotechnology. A.P.H. Publishing Corporation.
Chicago Style aipamenaGeetha Bali. Environmental Biotechnology. New Delhi: A.P.H. Publishing Corporation, 2002.
MLA aipamenaGeetha Bali. Environmental Biotechnology. A.P.H. Publishing Corporation, 2002.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.