Library of Congress & Library of Congress Subject Cataloging Division. Library of Congress subject headings. Library of Congress.
Chicago-Zitierstil (17. Ausg.)Library of Congress und Library of Congress Subject Cataloging Division. Library of Congress Subject Headings. Washington, DC: Library of Congress.
MLA-Zitierstil (9. Ausg.)Library of Congress und Library of Congress Subject Cataloging Division. Library of Congress Subject Headings. Library of Congress.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.