Clarke, G. (1991). Walt Whitman: The poem as private history. Vision Press ; St. Martin's Press.
Lua i Stíl Chicago (17ú heag.)Clarke, Graham. Walt Whitman: The Poem as Private History. London : New York: Vision Press ; St. Martin's Press, 1991.
Lua MLA (8ú heag.)Clarke, Graham. Walt Whitman: The Poem as Private History. Vision Press ; St. Martin's Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.