APA aipamena

Choe, B. (1985). The outlook for thermal coal. World Bank.

Chicago Style aipamena

Choe, Boum-Jong. The Outlook for Thermal Coal. Washington: World Bank, 1985.

MLA aipamena

Choe, Boum-Jong. The Outlook for Thermal Coal. World Bank, 1985.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.