Dyfyniad APA
ebrary, Inc, Bellows, T. S., & Fisher, T. W. (1999). Handbook of biological control: Principles and applications of biological control. Academic Press.
Dyfyniad Arddull Chicago
ebrary, Inc, T. S. Bellows, and T. W. Fisher. Handbook of Biological Control: Principles and Applications of Biological Control. San Diego: Academic Press, 1999.
Dyfyniad MLA
ebrary, Inc, et al. Handbook of Biological Control: Principles and Applications of Biological Control. Academic Press, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.