Butman, J. (1991). Car wars: How genernal motors europe built 'The car of the future'. London: Grafton Books.
استشهاد بنمط شيكاغوButman, John. Car Wars: How Genernal Motors Europe Built 'The Car of the Future'. London: Grafton Books, 1991.
MLA استشهادButman, John. Car Wars: How Genernal Motors Europe Built 'The Car of the Future'. London: Grafton Books, 1991.
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