APA ציטוט

(1998). Library of Congress subject headings. Washington, D.C: Library of Congress, Cataloging Distribution Service.

Trích dẫn kiểu Chicago

Library of Congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1998.

ציטוט MLA

Library of Congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1998.