Sousa. On Emerging from Hyper-Nation. Purdue University Press.
Cita Chicago (17th ed.)Sousa. On Emerging from Hyper-Nation. Purdue University Press.
Cita MLA (9th ed.)Sousa. On Emerging from Hyper-Nation. Purdue University Press.
Atenció: Aquestes cites poden no estar 100% correctes.