Library of Congress Cataloging Policy and Support Office & Library of Congress Cataloging Distribution Service. (2007). Free-floating subdivisions:: An alphabetical index (19th ed.). Cataloging Distribution Service, Library of Congress.
Παραπομπή σε μορφή Chicago (17η εκδ.)Library of Congress Cataloging Policy and Support Office και Library of Congress Cataloging Distribution Service. Free-floating Subdivisions:: An Alphabetical Index. 19th ed. Washington, D.C.: Cataloging Distribution Service, Library of Congress, 2007.
Παραπομπή σε μορφή MLA (9th εκδ.)Library of Congress Cataloging Policy and Support Office και Library of Congress Cataloging Distribution Service. Free-floating Subdivisions:: An Alphabetical Index. 19th ed. Cataloging Distribution Service, Library of Congress, 2007.