Dyfyniad APA

De Klerk, J. (1999). Illustrated maths dictionary (Third edition.). Longman.

Dyfyniad Arddull Chicago

De Klerk, Judith. Illustrated Maths Dictionary. Third edition. Melbourne: Longman, 1999.

Dyfyniad MLA

De Klerk, Judith. Illustrated Maths Dictionary. Third edition. Longman, 1999.

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