Harlow, R. V. (1939). Gerrit Smith philanthropist and reformer. Russell andRussell.
Chicago Style (17. basım) AtıfHarlow, Ralph Volney. Gerrit Smith Philanthropist and Reformer. New York: Russell andRussell, 1939.
MLA (9th ed.) AtıfHarlow, Ralph Volney. Gerrit Smith Philanthropist and Reformer. Russell andRussell, 1939.
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