Cleaver JE, Mitchell DL (2000). "15. Ultraviolet Radiation Carcinogenesis". In Bast RC, Kufe DW, Pollock RE, et al. (eds.). Holland-Frei Cancer Medicine (5th ed.). Hamilton, Ontario: B.C. Decker. ISBN1-55009-113-1. मूल से से 4 September 2015 को पुरालेखित।. अभिगमन तिथि: 31 January 2011.
Cleaver JE, Mitchell DL (2000). "15. Ultraviolet Radiation Carcinogenesis". In Bast RC, Kufe DW, Pollock RE, et al. (eds.). Holland-Frei Cancer Medicine (5th ed.). Hamilton, Ontario: B.C. Decker. ISBN1-55009-113-1. मूल से से 4 September 2015 को पुरालेखित।. अभिगमन तिथि: 31 January 2011.