Library of Congress & Subjet Cataloging Division. (1998). Subject Headings (21th. ed.). The National Bibliographic Service.
Chicagoスタイル(17版)引用形式Library of Congress , Subjet Cataloging Division. Subject Headings. 21th. ed. Washington: The National Bibliographic Service, 1998.
MLA(9版)引用形式Library of Congress , Subjet Cataloging Division. Subject Headings. 21th. ed. The National Bibliographic Service, 1998.
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