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.
Lua i Stíl Chicago (17ú heag.)Mountain Plains Library Association, University of Nebraska--Lincoln. Center for Great Plains Studies, Inc ebrary, Robert Balay, agus Mel Bohn. Prairies and Plains: The Reference Literature of a Region. Chicago: KWS Publishers, 2009.
Lua MLA (9ú heag.)Mountain Plains Library Association, et al. Prairies and Plains: The Reference Literature of a Region. KWS Publishers, 2009.
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