Dyfyniad APA

Handley, B. (2004). SPEED matthematics: Secret Skills for Quick Calculation. Bandung : Pakae raya.

Dyfyniad Arddull Chicago

Handley, Bill. SPEED Matthematics: Secret Skills for Quick Calculation. Bandung : Pakae raya, 2004.

Dyfyniad MLA

Handley, Bill. SPEED Matthematics: Secret Skills for Quick Calculation. Bandung : Pakae raya, 2004.

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