Stahl, R. J. (1995). Cooperative learning in language arts: A handbook for teachers. Addison-Wesley.
Chicago Style (17th ed.) ZitazioaStahl, Robert J. Cooperative Learning in Language Arts: A Handbook for Teachers. Menlo Park: Addison-Wesley, 1995.
MLA (9th ed.) ZitazioaStahl, Robert J. Cooperative Learning in Language Arts: A Handbook for Teachers. Addison-Wesley, 1995.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.