Semler, E. G. (1973). The engineer and society. London: The Institution of Mechanical Engineers.
Παραπομπή Chicago StyleSemler, E. G. The Engineer and Society. London: The Institution of Mechanical Engineers, 1973.
Παραπομπή MLASemler, E. G. The Engineer and Society. London: The Institution of Mechanical Engineers, 1973.
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