Davies, V. (1958). Experiments in teaching effectiveness applied to introductory sociology. Department of Sociology, State College of Washington.
Παραπομπή σε μορφή Chicago (17η εκδ.)Davies, Vernon. Experiments in Teaching Effectiveness Applied to Introductory Sociology. S.l: Department of Sociology, State College of Washington, 1958.
Παραπομπή σε μορφή MLA (9th εκδ.)Davies, Vernon. Experiments in Teaching Effectiveness Applied to Introductory Sociology. Department of Sociology, State College of Washington, 1958.
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