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.
シカゴスタイル引用形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引用形式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.
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