Laufer, B. The relations of the Chinese to the Philippine Islands. Photoduplication Service, Library of Congress.
Chicago-viite (17. p.)Laufer, Barthold. The Relations of the Chinese to the Philippine Islands. Washington: Photoduplication Service, Library of Congress.
MLA-viite (9. p.)Laufer, Barthold. The Relations of the Chinese to the Philippine Islands. Photoduplication Service, Library of Congress.
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