LaFeber, W., Polenberg, R., & Woloch, N. (1992). The American century: A history of the United States since the 1890s (4th ed.). McGraw-Hill.
Citace podle Chicago (17th ed.)LaFeber, Walter, Richard Polenberg, a Nancy Woloch. The American Century: A History of the United States Since the 1890s. 4th ed. New York: McGraw-Hill, 1992.
Citace podle MLA (9th ed.)LaFeber, Walter, et al. The American Century: A History of the United States Since the 1890s. 4th ed. McGraw-Hill, 1992.
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