APA Zitierstil

(2006). Library of congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service.

Chicago Zitierstil

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

MLA Zitierstil

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

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