Worcester, D. C. (1913). Slavery and Peonage in the Philippine Islands. Manila.
Chicago Style (17th ed.) CitationWorcester, Dean C. Slavery and Peonage in the Philippine Islands. Manila, 1913.
MLA引文Worcester, Dean C. Slavery and Peonage in the Philippine Islands. Manila, 1913.
警告:这些引文格式不一定是100%准确.