Dyfyniad APA

Patten, B. M. (1971). Early embryology of the chick (5th ed.). McGraw-Hill Book Co., Inc.

Dyfyniad Arddull Chicago

Patten, Bradley M. Early Embryology of the Chick. 5th ed. New York: McGraw-Hill Book Co., Inc, 1971.

Dyfyniad MLA

Patten, Bradley M. Early Embryology of the Chick. 5th ed. McGraw-Hill Book Co., Inc, 1971.

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