Hawkins, R. A. (2012). Unbelievable happiness and final sorrow: The Hemingway-Pfeiffer marriage. University of Arkansas Press.
Lua i Stíl Chicago (17ú heag.)Hawkins, Ruth A. Unbelievable Happiness and Final Sorrow: The Hemingway-Pfeiffer Marriage. Fayetteville, Ark.: University of Arkansas Press, 2012.
Lua MLA (9ú heag.)Hawkins, Ruth A. Unbelievable Happiness and Final Sorrow: The Hemingway-Pfeiffer Marriage. University of Arkansas Press, 2012.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.