Cita APA (7a ed.)

freeman, C. (1982). The economics of industrial innovation (2th. ed.). Christopher freeman.

Cita Chicago Style (17a ed.)

freeman, Christopher. The Economics of Industrial Innovation. 2th. ed. london: Christopher freeman, 1982.

Cita MLA (9a ed.)

freeman, Christopher. The Economics of Industrial Innovation. 2th. ed. Christopher freeman, 1982.