Shogan, R. (1977). Promises to keep: Carter's first hundred days / Robert Shogan. Crowell.
Citazione stile Chigago Style (17a edizione)Shogan, Robert. Promises to Keep: Carter's First Hundred Days / Robert Shogan. New York: Crowell, 1977.
Citatione MLA (8a ed.)Shogan, Robert. Promises to Keep: Carter's First Hundred Days / Robert Shogan. Crowell, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.