Williams, C. B., & Stevenson, A. H. (1940). A research manual, with a bibliographical guide to college studies and interests. Harper & brothers.
Citace podle Chicago (17th ed.)Williams, Cecil Brown, a Allan H. Stevenson. A Research Manual, with a Bibliographical Guide to College Studies and Interests. New York and London: Harper & brothers, 1940.
Citace podle MLA (9th ed.)Williams, Cecil Brown, a Allan H. Stevenson. A Research Manual, with a Bibliographical Guide to College Studies and Interests. Harper & brothers, 1940.
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