Fenton, C. A. (1961). The Apprenticeship of Ernest Hemingway: The early years. Mentor Book.
Lua i Stíl Chicago (17ú heag.)Fenton, Charles A. The Apprenticeship of Ernest Hemingway: The Early Years. New York, Estados Unidos: Mentor Book, 1961.
Lua MLA (9ú heag.)Fenton, Charles A. The Apprenticeship of Ernest Hemingway: The Early Years. Mentor Book, 1961.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.