Dyfyniad APA

McCornick, J. (1976). life of the forest. McGraw-Hill.

Dyfyniad Arddull Chicago

McCornick, Jack. Life of the Forest. New York: McGraw-Hill, 1976.

Dyfyniad MLA

McCornick, Jack. Life of the Forest. McGraw-Hill, 1976.

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