Mark, B. H., & Osborne, A. S. (2014). Worthy of the calling: Biographies of Paul and Lela Hostetler, Harvey and Erma Sider, Luke Jr. and Doris Keefer. Brethren in Christ Historical Society.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रMark, Beth Hostetler, और AnnaRuth Sider Osborne. Worthy of the Calling: Biographies of Paul and Lela Hostetler, Harvey and Erma Sider, Luke Jr. and Doris Keefer. Mechanisburg, PA: Brethren in Christ Historical Society, 2014.
एमएलए (9वां संस्करण) प्रशस्ति पत्रMark, Beth Hostetler, और AnnaRuth Sider Osborne. Worthy of the Calling: Biographies of Paul and Lela Hostetler, Harvey and Erma Sider, Luke Jr. and Doris Keefer. Brethren in Christ Historical Society, 2014.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.