Clark, C. E. (1978). Henry Ward Beecher: Spokesman for a Middle-class America. University of Illinois Press.
Chicago-viite (17. p.)Clark, Clifford Edward. Henry Ward Beecher: Spokesman for a Middle-class America. Urbana: University of Illinois Press, 1978.
MLA-viite (9. p.)Clark, Clifford Edward. Henry Ward Beecher: Spokesman for a Middle-class America. University of Illinois Press, 1978.
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