(2008). Trade unions and bilaterals: Do's and don'ts. ITUC.
Chicago Style aipamenaTrade Unions and Bilaterals: Do's and Don'ts. Brussels: ITUC, 2008.
MLA aipamenaTrade Unions and Bilaterals: Do's and Don'ts. ITUC, 2008.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.