Witcover, J. (1977). Marathon: The pursuit of the presidency, 1972-1976. Viking.
Chicago-čujuhus (17. p.)Witcover, Jules. Marathon: The Pursuit of the Presidency, 1972-1976. New York: Viking, 1977.
MLA-čujuhus (9. p.)Witcover, Jules. Marathon: The Pursuit of the Presidency, 1972-1976. Viking, 1977.
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