Não informado. (1963). Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching.
Lua i Stíl Chicago (17ú heag.)Não informado. Memo to the Faculty. Ann Arbor, Mich: University of Michigan, Center for Research on Learning and Teaching, 1963.
Lua MLA (8ú heag.)Não informado. Memo to the Faculty. University of Michigan, Center for Research on Learning and Teaching, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.