ebrary, Inc, Kazin, M., Becker, F., & Hurenkamp, M. (2008). In search of progressive America. University of Pennsylvania Press.
Chicago Style (17. basım) Atıfebrary, Inc, Michael Kazin, Frans Becker, ve Menno Hurenkamp. In Search of Progressive America. Philadelphia: University of Pennsylvania Press, 2008.
MLA (9th ed.) Atıfebrary, Inc, et al. In Search of Progressive America. University of Pennsylvania Press, 2008.
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