Barone, M. (2004). Hard America, Soft America: Competition vs. coddling and the battle for the nation's future. Crown Forum.
Citazione stile Chigago Style (17a edizione)Barone, Michael. Hard America, Soft America: Competition Vs. Coddling and the Battle for the Nation's Future. New York: Crown Forum, 2004.
Citatione MLA (9a ed.)Barone, Michael. Hard America, Soft America: Competition Vs. Coddling and the Battle for the Nation's Future. Crown Forum, 2004.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.