Trích dẫn APA

Freeman, C. (1981). Technical innovation and national economic performance. Aalborg Unversity Press: Institute of production.

Trích dẫn kiểu Chicago

Freeman, C. Technical Innovation and National Economic Performance. Aalborg Unversity Press: Institute of production, 1981.

Trích dẫn MLA

Freeman, C. Technical Innovation and National Economic Performance. Aalborg Unversity Press: Institute of production, 1981.

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