Citace podle APA (7th ed.)
De Kieffer, R. E. (1948). The Status of Teacher-Training in Audio-Visual Education in the Forty-Eight States. ProQuest Dissertations and Theses.
Citace podle Chicago (17th ed.)
De Kieffer, Robert E. "The Status of Teacher-Training in Audio-Visual Education in the Forty-Eight States." ProQuest Dissertations and Theses 1948.
Citace podle MLA (9th ed.)
De Kieffer, Robert E. "The Status of Teacher-Training in Audio-Visual Education in the Forty-Eight States." ProQuest Dissertations and Theses, 1948.
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