APA aipamena

Aldaz-Carroll, E. (2006). Regional approaches to better standards syatems. World Bank.

Chicago Style aipamena

Aldaz-Carroll, Enrique. Regional Approaches to Better Standards Syatems. Washington, D.C: World Bank, 2006.

MLA aipamena

Aldaz-Carroll, Enrique. Regional Approaches to Better Standards Syatems. World Bank, 2006.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.