APA (7th ed.) Zitazioa
(1969). ILO Publications. International Labour Office.
Chicago Style (17th ed.) Zitazioa
ILO Publications. Geneva: International Labour Office, 1969.
MLA (9th ed.) Zitazioa
ILO Publications. International Labour Office, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.