Dyfyniad APA

Morris, D. G. (2002). Calculate with confidence. London: Mosby.

Dyfyniad Arddull Chicago

Morris, Deborah Gray. Calculate With Confidence. London: Mosby, 2002.

Dyfyniad MLA

Morris, Deborah Gray. Calculate With Confidence. London: Mosby, 2002.

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