Hamble, R. (1991). What's wrong with my Willy? (1. Auflage.). GMP Publishers.
Lua i Stíl Chicago (17ú heag.)Hamble, Ray. What's Wrong with My Willy? 1. Auflage. London: GMP Publishers, 1991.
Lua MLA (8ú heag.)Hamble, Ray. What's Wrong with My Willy? 1. Auflage. GMP Publishers, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.