United States. Library of Congress & Library of Congress. Cataloging Policy and Support Office. (2008). Library of Congress classification. L. Education (2008 ed.). Library of Congress, Cataloging Distribution Service.
Chicago Style (17th ed.) CitationUnited States. Library of Congress and Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. L. Education. 2008 ed. Washington, D.C: Library of Congress, Cataloging Distribution Service, 2008.
MLA引文United States. Library of Congress and Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. L. Education. 2008 ed. Library of Congress, Cataloging Distribution Service, 2008.
警告：這些引文格式不一定是100％准確.