Não informado. (1963). Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching.
Čikaški stil citiranja (17. izdanje)Não informado. Memo to the Faculty. Ann Arbor, Mich: University of Michigan, Center for Research on Learning and Teaching, 1963.
MLA način citiranja (8. izdanje)Não informado. Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching, 1963.
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