Dyfyniad APA

Gage, N., & Berliner, D. C. (1984). Educational Psychology. Houghton Mifflin Co.

Dyfyniad Arddull Chicago

Gage, N.L, and David C. Berliner. Educational Psychology. Houghton Mifflin Co, 1984.

Dyfyniad MLA

Gage, N.L, and David C. Berliner. Educational Psychology. Houghton Mifflin Co, 1984.

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