APA Zitierstil

(2006). Library of Congress subject headings. Wash., D.C: Libr. of Congress, Cataloging Distribution Service.

Chicago Zitierstil

Library of Congress Subject Headings. Wash., D.C: Libr. of Congress, Cataloging Distribution Service, 2006.

MLA Zitierstil

Library of Congress Subject Headings. Wash., D.C: Libr. of Congress, Cataloging Distribution Service, 2006.

Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.