Holt, M. v. B. (2002). Meet Katharine Drexel: Heiress and God's servant of the oppressed. Charis Books/Servant Publications.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रHolt, Mary van Balen. Meet Katharine Drexel: Heiress and God's Servant of the Oppressed. Ann Arbor, Mich.: Charis Books/Servant Publications, 2002.
एमएलए (8वां संस्करण) प्रशस्ति पत्रHolt, Mary van Balen. Meet Katharine Drexel: Heiress and God's Servant of the Oppressed. Charis Books/Servant Publications, 2002.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.