APA (7th ed.) Zitazioa

(2009). Ruby phrasebook: Essential code and commands / by Jason Clinton.

Chicago Style (17th ed.) Zitazioa

Ruby Phrasebook: Essential Code and Commands / by Jason Clinton. 2009.

MLA (9th ed.) Zitazioa

Ruby Phrasebook: Essential Code and Commands / by Jason Clinton. 2009.

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