Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.
APA Citation Edition CitationLibrary of Congress. Cataloging Policy and Support Office. (1997). Library of Congress subject headings (20th ed.). Cataloging Distribution Service, Library of Congress.
Chicago Citation Edition CitationLibrary of Congress. Cataloging Policy and Support Office. Library of Congress Subject Headings. 20th ed. Washington, D.C.: Cataloging Distribution Service, Library of Congress, 1997.
MLA Citation Edition CitationLibrary of Congress. Cataloging Policy and Support Office. Library of Congress Subject Headings. 20th ed. Cataloging Distribution Service, Library of Congress, 1997.
