Ballinger, R. A., & Berner, R. C. (1965). Richard A. Ballinger papers at the University of Washington Libraries. University of Washington Libraries.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBallinger, Richard Achilles, और Richard C. Berner. Richard A. Ballinger Papers at the University of Washington Libraries. Seattle: University of Washington Libraries, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रBallinger, Richard Achilles, और Richard C. Berner. Richard A. Ballinger Papers at the University of Washington Libraries. University of Washington Libraries, 1965.
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