APA aipamena

World Bank. (1994). Market outlook for major energy products, metals, and minerals. World Bank.

Chicago Style aipamena

World Bank. Market Outlook for Major Energy Products, Metals, and Minerals. Washington, D.C: World Bank, 1994.

MLA aipamena

World Bank. Market Outlook for Major Energy Products, Metals, and Minerals. World Bank, 1994.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.