APA (7. basım) Alıntı
Federal Writers' Project & ebrary, Inc. (2007). The WPA guide to 1930s Iowa. University of Iowa Press.
Chicago Style (17. basım) Atıf
Federal Writers' Project ve Inc ebrary. The WPA Guide to 1930s Iowa. Iowa City: University of Iowa Press, 2007.
MLA (9th ed.) Atıf
Federal Writers' Project ve Inc ebrary. The WPA Guide to 1930s Iowa. University of Iowa Press, 2007.
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