Abbey, M., & Abbey, M. C. (1997). Oracle: A beginner's guide. Tata McGraw Hill.
Čikaški stil citiranjaAbbey, Michael, i Michael; Corey Abbey. Oracle: A Beginner's Guide. New Delhi: Tata McGraw Hill, 1997.
MLA način citiranjaAbbey, Michael, i Michael; Corey Abbey. Oracle: A Beginner's Guide. Tata McGraw Hill, 1997.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.