Dyfyniad APA

Gardner, E. J. (1972). Principles of genetics (4th ed.). Wiley Eastern.

Dyfyniad Arddull Chicago

Gardner, Eldon J. Principles of Genetics. 4th ed. New York: Wiley Eastern, 1972.

Dyfyniad MLA

Gardner, Eldon J. Principles of Genetics. 4th ed. Wiley Eastern, 1972.

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