Dyfyniad APA

Freeman, C., & Soete, L. (1997). The Economics of industrial innovation (3rd ed.). Pinter.

Dyfyniad Arddull Chicago

Freeman, Chris, and Luc Soete. The Economics of Industrial Innovation. 3rd ed. London: Pinter, 1997.

Dyfyniad MLA

Freeman, Chris, and Luc Soete. The Economics of Industrial Innovation. 3rd ed. Pinter, 1997.

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