Petroski, H. (2012). To forgive design: Understanding failure. Belknap Press of Harvard University Press.
Dyfyniad Arddull ChicagoPetroski, Henry. To Forgive Design: Understanding Failure. Cambridge, Mass.: Belknap Press of Harvard University Press, 2012.
Dyfyniad MLAPetroski, Henry. To Forgive Design: Understanding Failure. Belknap Press of Harvard University Press, 2012.
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