Organisation for Economic Co-operation and Development, P. (1978). Steam coal: Prospects to 2000. OECD.
Style de citation Chicago (17e éd.)Organisation for Economic Co-operation and Development, Paris. Steam Coal: Prospects to 2000. OECD, 1978.
Style de citation MLA (9e éd.)Organisation for Economic Co-operation and Development, Paris. Steam Coal: Prospects to 2000. OECD, 1978.
Attention : ces citations peuvent ne pas être correctes à 100%.