Dyfyniad APA

Chiras, D. D. (1988). Environmental science: A framework for decision making (2nd ed.). Benjamin/Cummings.

Dyfyniad Arddull Chicago

Chiras, Daniel D. Environmental Science: A Framework for Decision Making. 2nd ed. California: Benjamin/Cummings, 1988.

Dyfyniad MLA

Chiras, Daniel D. Environmental Science: A Framework for Decision Making. 2nd ed. Benjamin/Cummings, 1988.

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