Stroll, A. (1988). Surfaces. University of Minnesota Press.
Lua i Stíl Chicago (17ú heag.)Stroll, Avrum. Surfaces. Minneapolis: University of Minnesota Press, 1988.
Lua MLA (9ú heag.)Stroll, Avrum. Surfaces. University of Minnesota Press, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.