APA citiranje
Johnson, D. W., Johnson, R. T., & Holubec, E. J. (1994). The new circles of learning: Cooperation in the classroom and school. Association for Supervision and Curriculum Development.
Chicago Style (17th ed.) Citation
Johnson, David W., Roger T. Johnson, and Edythe Johnson Holubec. The New Circles of Learning: Cooperation in the Classroom and School. Alexandria, Va.: Association for Supervision and Curriculum Development, 1994.
MLA citiranje
Johnson, David W., et al. The New Circles of Learning: Cooperation in the Classroom and School. Association for Supervision and Curriculum Development, 1994.
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