Davidson, N. (1990). Cooperative learning in mathematics: A handbook for teachers. Addison-Wesley.
Citazione stile Chigago Style (17a edizione)Davidson, Neil. Cooperative Learning in Mathematics: A Handbook for Teachers. Menlo Park, Calif: Addison-Wesley, 1990.
Citatione MLA (9a ed.)Davidson, Neil. Cooperative Learning in Mathematics: A Handbook for Teachers. Addison-Wesley, 1990.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.