(1997). Library of Congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service.
Chicago Style citaatLibrary of Congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1997.
MLA citatieLibrary of Congress Subject Headings. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1997.
Let op: Deze citaties zijn niet altijd 100% accuraat.