Goldberg, D. E. (1995). Life skills and leadership for engineers. New York: McGraw-Hill.
Παραπομπή Chicago StyleGoldberg, David E. Life Skills and Leadership for Engineers. New York: McGraw-Hill, 1995.
Παραπομπή MLAGoldberg, David E. Life Skills and Leadership for Engineers. New York: McGraw-Hill, 1995.
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