Lua APA (7ú heag.)

Lindgren, H. C. (1956). Educational psychology in the classroom. Wiley.

Lua i Stíl Chicago (17ú heag.)

Lindgren, Henry Clay. Educational Psychology in the Classroom. New York: Wiley, 1956.

Lua MLA (8ú heag.)

Lindgren, Henry Clay. Educational Psychology in the Classroom. Wiley, 1956.

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