ebrary, Inc, Cohen, E. G., Brody, C. M., & Sapon-Shevin, M. (2004). Teaching cooperative learning: The challenge for teacher education. State University of New York Press.
Παραπομπή σε μορφή Chicago (17η εκδ.)ebrary, Inc, Elizabeth G. Cohen, Celeste M. Brody, και Mara Sapon-Shevin. Teaching Cooperative Learning: The Challenge for Teacher Education. Albany: State University of New York Press, 2004.
Παραπομπή σε μορφή MLA (9th εκδ.)ebrary, Inc, et al. Teaching Cooperative Learning: The Challenge for Teacher Education. State University of New York Press, 2004.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.