Dyfyniad APA

Heddens, J. W. (2000). Today's mathematics (10th ed.). New York: John Wiley.

Dyfyniad Arddull Chicago

Heddens, James W. Today's Mathematics. 10th ed. New York: John Wiley, 2000.

Dyfyniad MLA

Heddens, James W. Today's Mathematics. 10th ed. New York: John Wiley, 2000.

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