APA Citatie

Arnold, R. A., & Roger A. Arnold. (2005). Graphing exercises in economics. Mason, Ohio: Thomson/South-Western.

Chicago Style citaat

Arnold, Roger A., en Roger A. Arnold. Graphing Exercises in Economics. Mason, Ohio: Thomson/South-Western, 2005.

MLA citatie

Arnold, Roger A., en Roger A. Arnold. Graphing Exercises in Economics. Mason, Ohio: Thomson/South-Western, 2005.

Let op: Deze citaties zijn niet altijd 100% accuraat.