Guttman, S. A. (1995). [S - U]. North Waterloo Academic Press.
Lua i Stíl Chicago (17ú heag.)Guttman, Samuel A. [S - U]. Waterloo, Ontario: North Waterloo Academic Press, 1995.
Lua MLA (8ú heag.)Guttman, Samuel A. [S - U]. North Waterloo Academic Press, 1995.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.