Stahl, R. J. (1995). Cooperative learning in language arts: A handbook for teachers. Addison-Wesley.
Citazione stile Chigago Style (17a edizione)Stahl, Robert J. Cooperative Learning in Language Arts: A Handbook for Teachers. Menlo Park: Addison-Wesley, 1995.
Citatione MLA (9a ed.)Stahl, Robert J. Cooperative Learning in Language Arts: A Handbook for Teachers. Addison-Wesley, 1995.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.