Lindgren, H. C. (1967). Educational Psychology in the classroom (3rd ed.). John Wiley.
Chicago Style (17. basım) AtıfLindgren, Henry Clay. Educational Psychology in the Classroom. 3rd ed. New York: John Wiley, 1967.
MLA (9th ed.) AtıfLindgren, Henry Clay. Educational Psychology in the Classroom. 3rd ed. John Wiley, 1967.
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