Dyfyniad APA

Clayton, G. E., & Giesbrecht, M. G. (1997). A guide to everyday economic statistics (4th ed.). McGraw-Hill.

Dyfyniad Arddull Chicago

Clayton, Gary E., and Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 4th ed. New York: McGraw-Hill, 1997.

Dyfyniad MLA

Clayton, Gary E., and Martin Gerhard Giesbrecht. A Guide to Everyday Economic Statistics. 4th ed. McGraw-Hill, 1997.

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