Koenig, D. T. (2003). The engineer entrepreneur. ASME Press. https://doi.org/10.1115/1.801934
Lua i Stíl Chicago (17ú heag.)Koenig, Daniel T. The Engineer Entrepreneur. New York, NY: ASME Press, 2003. https://doi.org/10.1115/1.801934.
Lua MLA (9ú heag.)Koenig, Daniel T. The Engineer Entrepreneur. ASME Press, 2003. https://doi.org/10.1115/1.801934.
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