International Energy Agency. (1982). Coal prospects and policies in IEA countries: 1981 review. OECD.
Style de citation Chicago (17e éd.)International Energy Agency. Coal Prospects and Policies in IEA Countries: 1981 Review. Paris: OECD, 1982.
Style de citation MLA (9e éd.)International Energy Agency. Coal Prospects and Policies in IEA Countries: 1981 Review. OECD, 1982.
Attention : ces citations peuvent ne pas être correctes à 100%.