APA način citiranja (7. izdanje)
Frey, N., Fisher, D., & Everlove, S. (2009). Productive group work: How to engage students, build teamwork, and promote understanding. ASCD.
Čikaški stil citiranja (17. izdanje)
Frey, Nancy, Douglas Fisher, i Sandi Everlove. Productive Group Work: How to Engage Students, Build Teamwork, and Promote Understanding. Alexandria, Va.: ASCD, 2009.
MLA način citiranja (9. izdanje)
Frey, Nancy, et al. Productive Group Work: How to Engage Students, Build Teamwork, and Promote Understanding. ASCD, 2009.
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