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Dyfyniad Arddull ChicagoGuyatt, Nicholas. Another American Century?: The United States and the World Since 9/11. Bangalore: Books for Change, 2003.
Dyfyniad MLAGuyatt, Nicholas. Another American Century?: The United States and the World Since 9/11. Books for Change, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.