Schmuck, R. A., & Schmuck, P. A. (2001). Group processes in the classroom (8th ed.). Boston: McGraw Hill.
Chicago Style aipamenaSchmuck, Richard A., và Patricia A. Schmuck. Group Processes in the Classroom. 8th ed. Boston: McGraw Hill, 2001.
MLA aipamenaSchmuck, Richard A., và Patricia A. Schmuck. Group Processes in the Classroom. 8th ed. Boston: McGraw Hill, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.