APA (7 वां संस्करण) प्रशस्ति पत्र
Foster, G. (2007). The power of positive profit: How you can improve any bottom line in sales, marketing, and management with MoneyMath. Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
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.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Foster, Graham. The Power of Positive Profit: How You Can Improve Any Bottom Line in Sales, Marketing, and Management with MoneyMath. Wiley, 2007.
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