APA citiranje
Leypoldt, M. M. (1967). 40 ways to teach in groups. Judson Press.
Chicago Style (17th ed.) Citation
Leypoldt, Martha M. 40 Ways to Teach in Groups. Valley Forge: Judson Press, 1967.
MLA citiranje
Leypoldt, Martha M. 40 Ways to Teach in Groups. Judson Press, 1967.
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