APA-viite

LaFeber, W. (1988). The American century: A history of the United States since the 1890s. Boston, Mass: McGraw-Hill.

Chicago-tyylinen lähdeviittaus

LaFeber, Walter. The American Century: A History of the United States Since the 1890s. Boston, Mass: McGraw-Hill, 1988.

MLA-viite

LaFeber, Walter. The American Century: A History of the United States Since the 1890s. Boston, Mass: McGraw-Hill, 1988.

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