Kaplan, J. (1980). Walt Whitman: A life / Justin Kaplan. Simon and Schuster.
Lua i Stíl Chicago (17ú heag.)Kaplan, Justin. Walt Whitman: A Life / Justin Kaplan. New York: Simon and Schuster, 1980.
Lua MLA (8ú heag.)Kaplan, Justin. Walt Whitman: A Life / Justin Kaplan. Simon and Schuster, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.