Shogan, R. (1977). Promises to keep: Carter's first hundred days / Robert Shogan. Crowell.
Chicago-viite (17. p.)Shogan, Robert. Promises to Keep: Carter's First Hundred Days / Robert Shogan. New York: Crowell, 1977.
MLA-viite (8. p.)Shogan, Robert. Promises to Keep: Carter's First Hundred Days / Robert Shogan. Crowell, 1977.
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