Dyfyniad APA

Dublin, P. (1994). Middle and secondary math. HarperCollins College Publishers.

Dyfyniad Arddull Chicago

Dublin, Peter. Middle and Secondary Math. New York: HarperCollins College Publishers, 1994.

Dyfyniad MLA

Dublin, Peter. Middle and Secondary Math. HarperCollins College Publishers, 1994.

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