Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.