APA aipamena

Salter, W. E. G. (1969). Productivity and technical change. Cambridge: Cambridge University Press.

Chicago Style aipamena

Salter, W. E. G. Productivity and Technical Change. Cambridge: Cambridge University Press, 1969.

MLA aipamena

Salter, W. E. G. Productivity and Technical Change. Cambridge: Cambridge University Press, 1969.

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