Davidson, N. (1990). Cooperative learning in mathematics: A handbook for teachers. Addison-Wesley Pub. Co..
Čikaški stil citiranja (17. izdanje)Davidson, Neil. Cooperative Learning in Mathematics: A Handbook for Teachers. Menlo Park, Calif.: Addison-Wesley Pub. Co., 1990.
MLA način citiranja (8. izdanje)Davidson, Neil. Cooperative Learning in Mathematics: A Handbook for Teachers. Addison-Wesley Pub. Co., 1990.
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