APA aipamena

 Foster, G. (2007).  The power of positive profit: How you can improve any bottom line in sales, marketing, and management with MoneyMath.  John Wiley & Sons.

Chicago Style aipamena

 Foster, Graham.  The Power of Positive Profit: How You Can Improve Any Bottom Line in Sales, Marketing, and Management With MoneyMath.  John Wiley & Sons, 2007.

MLA aipamena

 Foster, Graham.  The Power of Positive Profit: How You Can Improve Any Bottom Line in Sales, Marketing, and Management With MoneyMath.  John Wiley & Sons, 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.