Roof, W. C. (1952). The annals of the American Academy of Political and Social Science. Sage Publ..
Chicago-referens (17:e uppl.)Roof, Wade Clark. The Annals of the American Academy of Political and Social Science. Philadelphia: Sage Publ., 1952.
MLA-referens (8:e uppl.)Roof, Wade Clark. The Annals of the American Academy of Political and Social Science. Sage Publ., 1952.
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