Παραπομπή APA

Eggen, P. D. (1999). Educational psychology: Windows on classrooms (4th ed.). Upper Saddle River: Merrill.

Παραπομπή Chicago Style

Eggen, Paul D. Educational Psychology: Windows On Classrooms. 4th ed. Upper Saddle River: Merrill, 1999.

Παραπομπή MLA

Eggen, Paul D. Educational Psychology: Windows On Classrooms. 4th ed. Upper Saddle River: Merrill, 1999.

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