Library of Congress & Library of Congress. Cataloging Policy and Support Office. Library of Congress classification. L. Education (1998 edition.).
Chicago Style (17th ed.) CitationLibrary of Congress and Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. L. Education. 1998 edition.
MLA (9th ed.) CitationLibrary of Congress and Library of Congress. Cataloging Policy and Support Office. Library of Congress Classification. L. Education. 1998 edition.
Warning: These citations may not always be 100% accurate.