Gray, A. O. (1965). Not by might: The story of Whitworth College, 1890-1965. Whitworth College.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGray, Alfred O. Not by Might: The Story of Whitworth College, 1890-1965. Spokane, Wash.: Whitworth College, 1965.
एमएलए (8वां संस्करण) प्रशस्ति पत्रGray, Alfred O. Not by Might: The Story of Whitworth College, 1890-1965. Whitworth College, 1965.
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