APA stil citiranja

Johnson, D. W., Johnson, R. T., & Holubec, E. (1994). The new circles of learning: The new circles of learning : cooperation in the classroom and school. Alexandria: Association for Supervision and Curriculum Development.

Chicago stil citiranja

Johnson, David W., Roger T. Johnson, and Edythe Holubec. The new circles of learning: The new circles of learning : cooperation in the classroom and school. Alexandria: Association for Supervision and Curriculum Development, 1994.

MLA stil citiranja

Johnson, David W., Roger T. Johnson, and Edythe Holubec. The new circles of learning: The new circles of learning : cooperation in the classroom and school. Alexandria: Association for Supervision and Curriculum Development, 1994.