Dyfyniad APA

Butman, J. (1991). Car wars: How genernal motors europe built 'The car of the future'. London: Grafton Books.

Dyfyniad Arddull Chicago

Butman, John. Car Wars: How Genernal Motors Europe Built 'The Car of the Future'. London: Grafton Books, 1991.

Dyfyniad MLA

Butman, John. Car Wars: How Genernal Motors Europe Built 'The Car of the Future'. London: Grafton Books, 1991.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.