APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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

Kontuz: berrikusi erreferentzia hauek erabili aurretik.