APA-Zitierstil (7. Ausg.)

Rottier, J., & Ogan, B. J. (1991). Cooperative learning in middle-level schools (1. print.). National Education Assoc.

Chicago-Zitierstil (17. Ausg.)

Rottier, Jerry, und Beverly J. Ogan. Cooperative Learning in Middle-level Schools. 1. print. Washington, DC: National Education Assoc, 1991.

MLA-Zitierstil (9. Ausg.)

Rottier, Jerry, und Beverly J. Ogan. Cooperative Learning in Middle-level Schools. 1. print. National Education Assoc, 1991.