Dyfyniad APA
ebrary, Inc, Mara, D. D., & Horan, N. J. (2003). Handbook of water and wastewater microbiology. Academic Press.
Dyfyniad Arddull Chicago
ebrary, Inc, D. Duncan Mara, and N. J. Horan. Handbook of Water and Wastewater Microbiology. London ; San Diego: Academic Press, 2003.
Dyfyniad MLA
ebrary, Inc, et al. Handbook of Water and Wastewater Microbiology. Academic Press, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.