Boyer, P. S. (2014). The Enduring Vision: A History of the American People. [Belmont, Calif.]: Wadsworth/Cengage Learning.
Παραπομπή Chicago StyleBoyer, Paul S. The Enduring Vision: A History of the American People. [Belmont, Calif.]: Wadsworth/Cengage Learning, 2014.
Παραπομπή MLABoyer, Paul S. The Enduring Vision: A History of the American People. [Belmont, Calif.]: Wadsworth/Cengage Learning, 2014.
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