Παραπομπή σε μορφή APA (7η εκδ.)

(2007). Library of Congress classification. H. Social sciences / prepared by the Cataloging Policy and Support Office, Library Services.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Library of Congress Classification. H. Social Sciences / Prepared by the Cataloging Policy and Support Office, Library Services. 2007.

Παραπομπή σε μορφή MLA (9th εκδ.)

Library of Congress Classification. H. Social Sciences / Prepared by the Cataloging Policy and Support Office, Library Services. 2007.