Brinkley, A. (2004). The unfinished nation: A concise history of the American people. Boston: McGraw-Hill.
Dyfyniad Arddull ChicagoBrinkley, Alan. The Unfinished Nation: A Concise History of the American People. Boston: McGraw-Hill, 2004.
Dyfyniad MLABrinkley, Alan. The Unfinished Nation: A Concise History of the American People. Boston: McGraw-Hill, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.