APA aipamena

International Energy Agency. (1980). Report of the iea coal in industry advisory board. Paris: OECD.

Chicago Style aipamena

International Energy Agency. Report of the Iea Coal in Industry Advisory Board. Paris: OECD, 1980.

MLA aipamena

International Energy Agency. Report of the Iea Coal in Industry Advisory Board. Paris: OECD, 1980.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.