USMARC Format for Bibliographic Data / Prepared by Network Development and MARC Standards Office - Washington : Library of Congress, 1989 - 53 tr. ; 28 cm. Previous published under the title: MARC Formats for Biliographic Data ISBN: 8444405957 Subjects--Topical Terms: MARC formatsĐịnh dạng Marc Dewey Class. No.: 025.316 / U86