(2006). Library of Congress subject headings. Wash., D.C: Libr. of Congress, Cataloging Distribution Service.
Trích dẫn kiểu ChicagoLibrary of Congress Subject Headings. Wash., D.C: Libr. of Congress, Cataloging Distribution Service, 2006.
MLA CitationLibrary of Congress Subject Headings. Wash., D.C: Libr. of Congress, Cataloging Distribution Service, 2006.
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