McCleary, W. A. (1990). Earmarking government revenues in Colombia. Country Economics Dept., World Bank.
Chicago Style aipamenaMcCleary, William A. Earmarking Government Revenues in Colombia. Washington, D.C: Country Economics Dept., World Bank, 1990.
MLA aipamenaMcCleary, William A. Earmarking Government Revenues in Colombia. Country Economics Dept., World Bank, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.