Dyfyniad APA

Miller, G. T. (2007). Essentials of ecology. Pacific Grove, CA: Thomson, Brooks/Cole.

Dyfyniad Arddull Chicago

Miller, G. Tyler. Essentials of Ecology. Pacific Grove, CA: Thomson, Brooks/Cole, 2007.

Dyfyniad MLA

Miller, G. Tyler. Essentials of Ecology. Pacific Grove, CA: Thomson, Brooks/Cole, 2007.

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