APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.