Παραπομπή APA

Salter, W. E. G. (1966). Productivity and technical change (2nd ed., with an addendum by W.B.Reddaway.). Cambridge: Cambridge U.P..

Παραπομπή Chicago Style

Salter, W. E. G. Productivity and Technical Change. 2nd ed., with an addendum by W.B.Reddaway. Cambridge: Cambridge U.P., 1966.

Παραπομπή MLA

Salter, W. E. G. Productivity and Technical Change. 2nd ed., with an addendum by W.B.Reddaway. Cambridge: Cambridge U.P., 1966.

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