freeman, C. (1982). The economics of industrial innovation (2th. ed.). Christopher freeman.
Style de citation Chicago (17e éd.)freeman, Christopher. The Economics of Industrial Innovation. 2th. ed. london: Christopher freeman, 1982.
Style de citation MLA (9e éd.)freeman, Christopher. The Economics of Industrial Innovation. 2th. ed. Christopher freeman, 1982.
Attention : ces citations peuvent ne pas être correctes à 100%.