Παραπομπή APA

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

Παραπομπή Chicago Style

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

Παραπομπή MLA

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

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