Παραπομπή APA

Lindgren, H. C. (1976). Educational psychology in the classroom (5th ed.). John Wiley.

Παραπομπή Chicago Style

Lindgren, Henry Clay. Educational Psychology in the Classroom. 5th ed. New York: John Wiley, 1976.

Παραπομπή MLA

Lindgren, Henry Clay. Educational Psychology in the Classroom. 5th ed. John Wiley, 1976.