APA-referens (7:e uppl.)
Foster, G. (2007). The power of positive profit: How you can improve any bottom line in sales, marketing, and management with MoneyMath. Wiley.
Chicago-referens (17:e uppl.)
Foster, Graham. The Power of Positive Profit: How You Can Improve Any Bottom Line in Sales, Marketing, and Management with MoneyMath. Hoboken, N.J.: Wiley, 2007.
MLA-referens (9:e uppl.)
Foster, Graham. The Power of Positive Profit: How You Can Improve Any Bottom Line in Sales, Marketing, and Management with MoneyMath. Wiley, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.