APA-referens

(1998). Library of Congress 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, 1998.

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.