Não informado. (1963). Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Memo to the Faculty. Ann Arbor, Mich: University of Michigan, Center for Research on Learning and Teaching, 1963.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching, 1963.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.