Dyfyniad APA

ABBEY, M., & COREY, M. J. (1995). Oracle: A beginner's guide. McGraw-Hill.

Dyfyniad Arddull Chicago

ABBEY, Michael, and Michael J. COREY. Oracle: A Beginner's Guide. New York: McGraw-Hill, 1995.

Dyfyniad MLA

ABBEY, Michael, and Michael J. COREY. Oracle: A Beginner's Guide. McGraw-Hill, 1995.

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