Veness, R., Bruno, A., & Walker, A. K. (1998). Seven. Addison Wesley Longman.
Lua i Stíl Chicago (17ú heag.)Veness, Ron, Anthony Bruno, agus Andrew Kevin Walker. Seven. Harlow, England: Addison Wesley Longman, 1998.
Lua MLA (9ú heag.)Veness, Ron, et al. Seven. Addison Wesley Longman, 1998.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.