APA način citiranja (7. izdanje)
Wong, J., & Howell, R. (2008). Apache OFBiz development: The beginner's tutorial. Packt Publishing.
Čikaški stil citiranja (17. izdanje)
Wong, Jonathon, i Rupert Howell. Apache OFBiz Development: The Beginner's Tutorial. Birmingham, UK: Packt Publishing, 2008.
MLA način citiranja (9. izdanje)
Wong, Jonathon, i Rupert Howell. Apache OFBiz Development: The Beginner's Tutorial. Packt Publishing, 2008.
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