United States Library of Congress. (1995). Subject headings (18th ed.). Library of Congress, Cataloging Distribution Service.
Chicago-Zitierstil (17. Ausg.)United States Library of Congress. Subject Headings. 18th ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1995.
MLA-Zitierstil (9. Ausg.)United States Library of Congress. Subject Headings. 18th ed. Library of Congress, Cataloging Distribution Service, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.