APA aipamena

International Labour Office. (1972). The contribution of the ILO to workers education. International Labour Office.

Chicago Style aipamena

International Labour Office. The Contribution of the ILO to Workers Education. Geneva: International Labour Office, 1972.

MLA aipamena

International Labour Office. The Contribution of the ILO to Workers Education. International Labour Office, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.