Shank, M. (1993). Succeeding with difficult students: Workbook. Lee Canter & Associates.
Chicago-referens (17:e uppl.)Shank, Marcia. Succeeding with Difficult Students: Workbook. California, U.S.: Lee Canter & Associates, 1993.
MLA-referens (8:e uppl.)Shank, Marcia. Succeeding with Difficult Students: Workbook. Lee Canter & Associates, 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.