Orr, K. G. (1957). The sources on characteristics of the people of the Philippine Islands. U.S. Dept. of State.
Citace podle Chicago (17th ed.)Orr, Kenneth G. The Sources on Characteristics of the People of the Philippine Islands. [Wash., D.C: U.S. Dept. of State, 1957.
Citace podle MLA (9th ed.)Orr, Kenneth G. The Sources on Characteristics of the People of the Philippine Islands. U.S. Dept. of State, 1957.
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