APA

Johnson R. T., Johnson D. W., Holubec E. J. & Interaction Book. (1987). Structuring cooperative learning. Edina: Interaction Book Company.

Chicago

Johnson Roger T, Johnson David W, Holubec Edythe Johnson and Interaction Book. 1987. Structuring cooperative learning. Edina: Interaction Book Company.

Harvard

Johnson R. T., Johnson D. W., Holubec E. J. and Interaction Book. (1987). Structuring cooperative learning. Edina: Interaction Book Company.

MLA

Johnson Roger T, Johnson David W, Holubec Edythe Johnson and Interaction Book. Structuring cooperative learning. Edina: Interaction Book Company. 1987.