Dyfyniad APA
Manahan, S. E. (2010). Environmental chemistry (9th ed.). CRC Press.
Dyfyniad Arddull Chicago
Manahan, Stanley E. Environmental Chemistry. 9th ed. New York: CRC Press, 2010.
Dyfyniad MLA
Manahan, Stanley E. Environmental Chemistry. 9th ed. CRC Press, 2010.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.