Dyfyniad APA

Servais, W., & Varga, T. (1971). Teaching school mathematics. Penguin.

Dyfyniad Arddull Chicago

Servais, Willy, and Tamas Varga. Teaching School Mathematics. Harmondsworth: Penguin, 1971.

Dyfyniad MLA

Servais, Willy, and Tamas Varga. Teaching School Mathematics. Penguin, 1971.

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