اصلی (link) Note: Messer's and Walker's article cannot be protected by copyright. Fox, Douglas (16 July 2003). "Masturbating may protect against prostate
created via IMDb Resume?". IMDb. Resume FAQ. Retrieved January 22, 2008. "Copyright and Conditions of Use". IMDb. "The plain text data files". IMDb. Alternate
۱۰ اوت ۲۰۱۲. Lefkow, Chris (23 June 2010). "US judge tosses out Viacom copyright suit against YouTube" (به انگلیسی). Google. Archived from the original
«Minds, Brains, and Programs». The Behavioral and Brain Sciences, vol. 3. Copyright 1980 Cambridge University Press. بایگانیشده از اصلی در ۱۰ دسامبر ۲۰۰۷