Library of Congress & Subjet Cataloging Division. (1999). Library of Congress Subject Headings (21st. ed.). The National Bibliographic Service.
Chicagoスタイル(17版)引用形式Library of Congress , Subjet Cataloging Division. Library of Congress Subject Headings. 21st. ed. Washington: The National Bibliographic Service, 1999.
MLA(9版)引用形式Library of Congress , Subjet Cataloging Division. Library of Congress Subject Headings. 21st. ed. The National Bibliographic Service, 1999.
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