Davidson, N. (1990). Cooperative learning in mathematics: A handbook for teachers. Addison-Wesley Pub. Co..
Cita Chicago (17th ed.)Davidson, Neil. Cooperative Learning in Mathematics: A Handbook for Teachers. Menlo Park, Calif.: Addison-Wesley Pub. Co., 1990.
Cita MLA (8th ed.)Davidson, Neil. Cooperative Learning in Mathematics: A Handbook for Teachers. Addison-Wesley Pub. Co., 1990.
Atenció: Aquestes cites poden no estar 100% correctes.