Hartl, M. [ca. 2022]. Learn enough Ruby to be dangerous : write programs, publish gems, and develop Sinatra web apps with Ruby ([First edition]) [Cd]. Boston: Addison-Wesley.
ISO-690 (author-date, English)HARTL, Michael, 2022. Learn enough Ruby to be dangerous : write programs, publish gems, and develop Sinatra web apps with Ruby. [First edition]. Boston: Addison-Wesley.
Modern Language Association 9th editionHartl, M. Learn enough Ruby to be dangerous : write programs, publish gems, and develop Sinatra web apps with Ruby. [First edition], cd, Addison-Wesley, 2022.
Mohr Siebeck - Recht (Deutsch - Österreich)Hartl, Michael: Learn enough Ruby to be dangerous : write programs, publish gems, and develop Sinatra web apps with Ruby, [First edition]. Aufl. Boston 2022.
Emerald - HarvardHartl, M. (2022), Learn enough Ruby to be dangerous : write programs, publish gems, and develop Sinatra web apps with Ruby, [First edition]., Bd. , Addison-Wesley, Boston.