Shogan, R. (1977). Promises to keep: Carter's first hundred days / Robert Shogan. Crowell.
Lua i Stíl Chicago (17ú heag.)Shogan, Robert. Promises to Keep: Carter's First Hundred Days / Robert Shogan. New York: Crowell, 1977.
Lua MLA (8ú heag.)Shogan, Robert. Promises to Keep: Carter's First Hundred Days / Robert Shogan. Crowell, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.