(1956). The National union catalog: A cumulative author list representing Library of Congress printed cards and titles reported by other American libraries. LoC.
Chicago-Zitierstil (17. Ausg.)The National Union Catalog: A Cumulative Author List Representing Library of Congress Printed Cards and Titles Reported by Other American Libraries. Washington, DC [u.a.]: LoC, 1956.
MLA-Zitierstil (9. Ausg.)The National Union Catalog: A Cumulative Author List Representing Library of Congress Printed Cards and Titles Reported by Other American Libraries. LoC, 1956.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.