King, W. J. (1944). The unwritten laws of engineering. The American Society of mechanical Engineers.
Chicago-referens (17:e uppl.)King, W. J. The Unwritten Laws of Engineering. New York: The American Society of mechanical Engineers, 1944.
MLA-referens (9:e uppl.)King, W. J. The Unwritten Laws of Engineering. The American Society of mechanical Engineers, 1944.
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