ebrary, Inc, & Bergman, M. (2008). Iowa history reader (University of Iowa Press ed.). University of Iowa Press.
Chicago Style (17th ed.) Citationebrary, Inc, and Marvin Bergman. Iowa History Reader. University of Iowa Press ed. Iowa City: University of Iowa Press, 2008.
MLA引文ebrary, Inc, and Marvin Bergman. Iowa History Reader. University of Iowa Press ed. University of Iowa Press, 2008.
警告:這些引文格式不一定是100%准確.