Dyfyniad APA

Mary Underwood. (1997). Effective class management. London: Longman.

Dyfyniad Arddull Chicago

Mary Underwood. Effective Class Management. London: Longman, 1997.

Dyfyniad MLA

Mary Underwood. Effective Class Management. London: Longman, 1997.

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