Davis, C. (1986). Joseph and the Old Man. St. Martin's Press.
Lua i Stíl Chicago (17ú heag.)Davis, Christopher. Joseph and the Old Man. New York: St. Martin's Press, 1986.
Lua MLA (8ú heag.)Davis, Christopher. Joseph and the Old Man. St. Martin's Press, 1986.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.