Sorensen, C. E., Williamson, S. T., & Lewis, D. L. (2006). My forty years with Ford. Wayne State University Press.
Dyfyniad Arddull ChicagoSorensen, Charles E., S. T. Williamson, and David L. Lewis. My Forty Years with Ford. Detroit: Wayne State University Press, 2006.
Dyfyniad MLASorensen, Charles E., et al. My Forty Years with Ford. Wayne State University Press, 2006.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.