APA aipamena

SIMMONS, L. A. The world bank annual report 1998. The World Bank.

Chicago Style aipamena

SIMMONS, Lesley Anne. The World Bank Annual Report 1998. The World Bank.

MLA aipamena

SIMMONS, Lesley Anne. The World Bank Annual Report 1998. The World Bank.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.