Citazione Stile APA (7a Edizione)

Johnson, D. W., & Johnson, R. T. (1989). Leading the cooperative school. Interaction Book Co.

Citazione stile Chigago Style (17a edizione)

Johnson, David W., e Roger T. Johnson. Leading the Cooperative School. Edina, Minn: Interaction Book Co, 1989.

Citatione MLA (9a ed.)

Johnson, David W., e Roger T. Johnson. Leading the Cooperative School. Interaction Book Co, 1989.