Não informado. (1963). Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching.
Chicago-referens (17:e uppl.)Não informado. Memo to the Faculty. Ann Arbor, Mich: University of Michigan, Center for Research on Learning and Teaching, 1963.
MLA-referens (8:e uppl.)Não informado. Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching, 1963.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.