Dyfyniad APA

Storer, T. I., & Usinger, R. L. (1957). General zoology (3rd ed.). McGraw-Hill Book Co., Inc.

Dyfyniad Arddull Chicago

Storer, Tracy Irwin, and Robert L. Usinger. General Zoology. 3rd ed. New York: McGraw-Hill Book Co., Inc, 1957.

Dyfyniad MLA

Storer, Tracy Irwin, and Robert L. Usinger. General Zoology. 3rd ed. McGraw-Hill Book Co., Inc, 1957.

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