http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Library of Congress, Cataloging in Publication Division
Library of Congress. Cataloging in Publication Division
Cataloging in publication,Biên mục trước xuất bản
Handbooks, manuals, etc,Số tay, cẩm nang