United States Library of Congress. (1995). Subject headings (18th ed.). Library of Congress, Cataloging Distribution Service.
Citace podle Chicago (17th ed.)United States Library of Congress. Subject Headings. 18th ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1995.
Citace podle MLA (9th ed.)United States Library of Congress. Subject Headings. 18th ed. Library of Congress, Cataloging Distribution Service, 1995.
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