Dyfyniad APA

GALL, M. D. (1981). Handbook for evaluating and selecting curriculum materials. Allyn and Bacon.

Dyfyniad Arddull Chicago

GALL, Meredith Damien. Handbook for Evaluating and Selecting Curriculum Materials. Boston: Allyn and Bacon, 1981.

Dyfyniad MLA

GALL, Meredith Damien. Handbook for Evaluating and Selecting Curriculum Materials. Allyn and Bacon, 1981.

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