Dyfyniad APA
Verzello, R. J., & Reutter, J. (1982). Data processing, systems and concepts. McGraw-Hill.
Dyfyniad Arddull Chicago
Verzello, Robert J., and John Reutter. Data Processing, Systems and Concepts. New York: McGraw-Hill, 1982.
Dyfyniad MLA
Verzello, Robert J., and John Reutter. Data Processing, Systems and Concepts. McGraw-Hill, 1982.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.