Dyfyniad APA

Manahan, S. E. (1975). Environmental chemistry (2nd ed.). Willard Grant.

Dyfyniad Arddull Chicago

Manahan, Stanley E. Environmental Chemistry. 2nd ed. Boston: Willard Grant, 1975.

Dyfyniad MLA

Manahan, Stanley E. Environmental Chemistry. 2nd ed. Willard Grant, 1975.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.