APA-čujuhus (7. p.)
Borden, M., & Graham, O. L. (1973). Portrait of a nation: A history of the United States. Heath.
Chicago-čujuhus (17. p.)
Borden, Morton, juo Otis L. Graham. Portrait of a Nation: A History of the United States. Lexington, Mass.: Heath, 1973.
MLA-čujuhus (9. p.)
Borden, Morton, juo Otis L. Graham. Portrait of a Nation: A History of the United States. Heath, 1973.
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