hartwick, J. M. (1989). Non-Renewable resources extraction programs and markets. Harwood academic Pub.
Style de citation Chicagohartwick, John M. Non-Renewable Resources Extraction Programs and Markets. Chur: Harwood academic Pub, 1989.
Style de citation MLAhartwick, John M. Non-Renewable Resources Extraction Programs and Markets. Harwood academic Pub, 1989.
Attention : ces citations peuvent ne pas être correctes à 100%.