APA (7 वां संस्करण) प्रशस्ति पत्र

University of Nebraska--Lincoln. Center for Great Plains Studies. (1991). Great Plains research. Center for Great Plains Studies, University of Nebraska.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

University of Nebraska--Lincoln. Center for Great Plains Studies. Great Plains Research. Lincoln, NE: Center for Great Plains Studies, University of Nebraska, 1991.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

University of Nebraska--Lincoln. Center for Great Plains Studies. Great Plains Research. Center for Great Plains Studies, University of Nebraska, 1991.

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