Torringotn , D. (1980). Face to face. Coles.
Lua i Stíl Chicago (17ú heag.)Torringotn , Derek. Face to Face. Toranto: Coles, 1980.
Lua MLA (9ú heag.)Torringotn , Derek. Face to Face. Coles, 1980.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.