APA aipamena

(2001). Contracting for public services: Output-based aid and its applications. Washington DC: World Bank.

Chicago Style aipamena

Contracting for Public Services: Output-based Aid and Its Applications. Washington DC: World Bank, 2001.

MLA aipamena

Contracting for Public Services: Output-based Aid and Its Applications. Washington DC: World Bank, 2001.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.