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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Mountain Plains Library Association, University of Nebraska--Lincoln. Center for Great Plains Studies, Inc ebrary, Robert Balay, و Mel Bohn. Prairies and Plains: The Reference Literature of a Region. Chicago: KWS Publishers, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Mountain Plains Library Association, et al. Prairies and Plains: The Reference Literature of a Region. KWS Publishers, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.