APA (7th ed.) Zitazioa

Library of Congress & Subjet Cataloging Division. (1999). Library of Congress Subject Headings (22nd ed.). The National Bibliographic Service.

Chicago Style (17th ed.) Zitazioa

Library of Congress eta Subjet Cataloging Division. Library of Congress Subject Headings. 22nd ed. Washington: The National Bibliographic Service, 1999.

MLA (9th ed.) Zitazioa

Library of Congress eta Subjet Cataloging Division. Library of Congress Subject Headings. 22nd ed. The National Bibliographic Service, 1999.