Ruby on Rails wprowadzenie - Tate, Bruce 1965- (Helion, 2012)
Authorized translation of the English ed. of Rails: up and running, 2nd ed. by Bruce Tate, Lance Carlson, Curt Hibbs. O'Reilly Media, c2009. Cf. Copyright page. - Includes index. - Online resource; title from title page (Safari, viewed July 11, 2013)