Dyfyniad APA

Klaus Kalthoff. (2001). Analysis of biological development. New York: McGraw-Hill.

Dyfyniad Arddull Chicago

Klaus Kalthoff. Analysis of Biological Development. New York: McGraw-Hill, 2001.

Dyfyniad MLA

Klaus Kalthoff. Analysis of Biological Development. New York: McGraw-Hill, 2001.

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