APA aipamena

IEA Coal Industry Advisory Board. (1985). Coal quality and ash characteristics: A study. OECD ; OECD Publications and Information Center, distributor.

Chicago Style aipamena

IEA Coal Industry Advisory Board. Coal Quality and Ash Characteristics: A Study. Paris : Washington, D.C.: OECD ; OECD Publications and Information Center, distributor, 1985.

MLA aipamena

IEA Coal Industry Advisory Board. Coal Quality and Ash Characteristics: A Study. OECD ; OECD Publications and Information Center, distributor, 1985.