Library of Congress. Cataloging Policy and Support Office. (1994). Library of Congress classification. H. Social Sciences. Library of Congress, Cataloging Distribution Service.
Chicago Style aipamenaLibrary of Congress. Cataloging Policy and Support Office. Library of Congress Classification. H. Social Sciences. Washington, D.C: Library of Congress, Cataloging Distribution Service, 1994.
MLA aipamenaLibrary of Congress. Cataloging Policy and Support Office. Library of Congress Classification. H. Social Sciences. Library of Congress, Cataloging Distribution Service, 1994.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.