World Bank Group. (2018). Doing business 2018: Reforming to create jobs : comparing business regulation for domestic firms in 190 economies. World bank group.
Chicago Style aipamenaWorld Bank Group. Doing Business 2018: Reforming to Create Jobs : Comparing Business Regulation for Domestic Firms in 190 Economies. Wshington,DC: World bank group, 2018.
MLA aipamenaWorld Bank Group. Doing Business 2018: Reforming to Create Jobs : Comparing Business Regulation for Domestic Firms in 190 Economies. World bank group, 2018.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.