Faas, E. (1983). Young Robert Duncan: Portrait of the poet as homosexual in society. Black Sparrow Press.
Lua i Stíl Chicago (17ú heag.)Faas, Ekbert. Young Robert Duncan: Portrait of the Poet as Homosexual in Society. Santa Barbara: Black Sparrow Press, 1983.
Lua MLA (8ú heag.)Faas, Ekbert. Young Robert Duncan: Portrait of the Poet as Homosexual in Society. Black Sparrow Press, 1983.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.