Giese, J. R. (1999). The American century: A history of the United States in modern times. Cincinnati, Ohio: West Educational Pub.
Dyfyniad Arddull ChicagoGiese, James R. The American Century: A History of the United States in Modern Times. Cincinnati, Ohio: West Educational Pub, 1999.
Dyfyniad MLAGiese, James R. The American Century: A History of the United States in Modern Times. Cincinnati, Ohio: West Educational Pub, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.