Citazione Stile APA (7a Edizione)

Johnson, D. W., Johnson, R. T., & Holubec, E. J. (1994). The nuts and bolts of cooperative learning. Interaction Book Company.

Citazione stile Chigago Style (17a edizione)

Johnson, David W., Roger T. Johnson, e Edythe Johnson Holubec. The Nuts and Bolts of Cooperative Learning. Interaction Book Company, 1994.

Citatione MLA (9a ed.)

Johnson, David W., et al. The Nuts and Bolts of Cooperative Learning. Interaction Book Company, 1994.