Cita APA (7th ed.)

Johnson, R. T., Johnson, D. W., & Holubec, E. J. (1987). Structuring cooperative learning: Lesson plan for teachers. Interaction Book Co.

Cita Chicago (17th ed.)

Johnson, Roger T., David W. Johnson, i Edythe Johnson Holubec. Structuring Cooperative Learning: Lesson Plan for Teachers. Edina, Minn: Interaction Book Co, 1987.

Cita MLA (9th ed.)

Johnson, Roger T., et al. Structuring Cooperative Learning: Lesson Plan for Teachers. Interaction Book Co, 1987.