APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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