Mountain Plains Library Association, University of Nebraska--Lincoln. Center for Great Plains Studies, ebrary, Inc, Balay, R., & Bohn, M. (2009). Prairies and plains: The reference literature of a region. KWS Publishers.
Chicago-referens (17:e uppl.)Mountain Plains Library Association, University of Nebraska--Lincoln. Center for Great Plains Studies, Inc ebrary, Robert Balay, och Mel Bohn. Prairies and Plains: The Reference Literature of a Region. Chicago: KWS Publishers, 2009.
MLA-referens (9:e uppl.)Mountain Plains Library Association, et al. Prairies and Plains: The Reference Literature of a Region. KWS Publishers, 2009.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.