APA-čujuhus (7. p.)
Kemp, C., & Gyger, B. (2013). Professional Heroku programming. John Wiley and Sons.
Chicago-čujuhus (17. p.)
Kemp, Chris, juo Brad Gyger. Professional Heroku Programming. Indianapolis, Ind.: John Wiley and Sons, 2013.
MLA-čujuhus (9. p.)
Kemp, Chris, juo Brad Gyger. Professional Heroku Programming. John Wiley and Sons, 2013.
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