Dyfyniad APA

Sinnott, E. W., & Dunn, L. (1939). Principles of genetics. McGraw-Hill Book.

Dyfyniad Arddull Chicago

Sinnott, Edmund W., and L.C Dunn. Principles of Genetics. New York: McGraw-Hill Book, 1939.

Dyfyniad MLA

Sinnott, Edmund W., and L.C Dunn. Principles of Genetics. McGraw-Hill Book, 1939.

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