Dyfyniad APA

Bill Friman. (1993). Environmental ecology: The ecological effects of pollution, disturbance, and other stresses. San Diego, California: Academic.

Dyfyniad Arddull Chicago

Bill Friman. Environmental Ecology: The Ecological Effects of Pollution, Disturbance, and Other Stresses. San Diego, California: Academic, 1993.

Dyfyniad MLA

Bill Friman. Environmental Ecology: The Ecological Effects of Pollution, Disturbance, and Other Stresses. San Diego, California: Academic, 1993.

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