United States. National Archives and Records Administration, Williamson, J. A., & Prechtel-Kluskens, C. (1998). Nonstatistical manifests and statistical index cards of aliens arriving at Douglas, Arizona, July 1908-December 1952. National Archives and Records Administration.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रUnited States. National Archives and Records Administration, Jo Ann Williamson, और Claire Prechtel-Kluskens. Nonstatistical Manifests and Statistical Index Cards of Aliens Arriving at Douglas, Arizona, July 1908-December 1952. Washington, DC: National Archives and Records Administration, 1998.
एमएलए (8वां संस्करण) प्रशस्ति पत्रUnited States. National Archives and Records Administration, et al. Nonstatistical Manifests and Statistical Index Cards of Aliens Arriving at Douglas, Arizona, July 1908-December 1952. National Archives and Records Administration, 1998.