Canfield, D. T., & Bowman, J. H. (1954). Business, legal, and ethical phases of engineering (2nd ed.). New York: McGraw-Hill Book Company.
Παραπομπή Chicago StyleCanfield, D. T., and J. H. Bowman. Business, Legal, and Ethical Phases of Engineering. 2nd ed. New York: McGraw-Hill Book Company, 1954.
Παραπομπή MLACanfield, D. T., and J. H. Bowman. Business, Legal, and Ethical Phases of Engineering. 2nd ed. New York: McGraw-Hill Book Company, 1954.
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