Williams, C. C., & Farber, E. A. (1957). Building an engineering career (3rd ed.). New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleWilliams, Clement C., and Erich A. Farber. Building an Engineering Career. 3rd ed. New York: McGraw-Hill Book Company, 1957.
Παραπομπή MLAWilliams, Clement C., and Erich A. Farber. Building an Engineering Career. 3rd ed. New York: McGraw-Hill Book Company, 1957.
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