APA aipamena

The World Bank (WB). (2007). Doing business 2008. Washington DC: The World Bank.

Chicago Style aipamena

The World Bank (WB). Doing Business 2008. Washington DC: The World Bank, 2007.

MLA aipamena

The World Bank (WB). Doing Business 2008. Washington DC: The World Bank, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.