Παραπομπή APA

Mansfield, E. (1968). Industrial research and technological innovation: An econometric analysis. New York: W.W. Norton & Company.

Παραπομπή Chicago Style

Mansfield, Edwin. Industrial Research and Technological Innovation: An Econometric Analysis. New York: W.W. Norton & Company, 1968.

Παραπομπή MLA

Mansfield, Edwin. Industrial Research and Technological Innovation: An Econometric Analysis. New York: W.W. Norton & Company, 1968.

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