Sullivan, L. R. (1918). Racial types in the Philippine islands. The Trustees.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रSullivan, Louis Robert. Racial Types in the Philippine Islands. New York: The Trustees, 1918.
एमएलए (9वां संस्करण) प्रशस्ति पत्रSullivan, Louis Robert. Racial Types in the Philippine Islands. The Trustees, 1918.
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