Παραπομπή APA

Abbey, M., & Abbey, M. C. (1997). Oracle: A beginner's guide. Tata McGraw Hill.

Παραπομπή Chicago Style

Abbey, Michael, και Michael; Corey Abbey. Oracle: A Beginner's Guide. New Delhi: Tata McGraw Hill, 1997.

Παραπομπή MLA

Abbey, Michael, και Michael; Corey Abbey. Oracle: A Beginner's Guide. Tata McGraw Hill, 1997.