APA aipamena

McCleary, W. A. (1990). Earmarking government revenues in Colombia. Country Economics Dept., World Bank.

Chicago Style aipamena

McCleary, William A. Earmarking Government Revenues in Colombia. Washington, D.C: Country Economics Dept., World Bank, 1990.

MLA aipamena

McCleary, William A. Earmarking Government Revenues in Colombia. Country Economics Dept., World Bank, 1990.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.