Gage, N. L., & Berliner, D. C. (1984). Educational psychology (Third edition.). Houghton Mifflin.
Dyfyniad Arddull ChicagoGage, N. L., and David C. Berliner. Educational Psychology. Third edition. Boston: Houghton Mifflin, 1984.
Dyfyniad MLAGage, N. L., and David C. Berliner. Educational Psychology. Third edition. Houghton Mifflin, 1984.
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