APA (7th ed.) Zitazioa

(2001). Programming Ruby: The pragmatic programmer's guide / David Thomas, Andrew Hunt.

Chicago Style (17th ed.) Zitazioa

Programming Ruby: The Pragmatic Programmer's Guide / David Thomas, Andrew Hunt. 2001.

MLA (9th ed.) Zitazioa

Programming Ruby: The Pragmatic Programmer's Guide / David Thomas, Andrew Hunt. 2001.

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