Elman, C., McGuire, R. A., & Wittman, B. (2014). Extending Public Health: The Rockefeller Sanitary Commission and Hookworm in the American South. American Public Health Association.
Chicago Stili AlıntıElman, Cheryl, Robert A. McGuire, ve Barbara Wittman. Extending Public Health: The Rockefeller Sanitary Commission and Hookworm in the American South. American Public Health Association, 2014.
MLA AlıntıElman, Cheryl, Robert A. McGuire, ve Barbara Wittman. Extending Public Health: The Rockefeller Sanitary Commission and Hookworm in the American South. American Public Health Association, 2014.
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