APA-referens

Library of Congress. (1996). Subject headings. Washington, D.C: Library of Congress, Cataloging Distribution Service.

Chicago-stil citat

Library of Congress. Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1996.

MLA-referens

Library of Congress. Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1996.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.