World Bank. (2006). World Development Report 2007: Development and the next generation. World Bank.
Chicago Style aipamenaWorld Bank. World Development Report 2007: Development and the Next Generation. Washington: World Bank, 2006.
MLA aipamenaWorld Bank. World Development Report 2007: Development and the Next Generation. World Bank, 2006.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.