Vitale, J. (2006). Meet & grow rich: How to easily create and operate your own "mastermind" group for health, wealth, and more. John Wiley & Sons.
シカゴスタイル引用形Vitale, Joe. Meet & Grow Rich: How to Easily Create and Operate Your Own "mastermind" Group for Health, Wealth, and More. John Wiley & Sons, 2006.
MLA引用形式Vitale, Joe. Meet & Grow Rich: How to Easily Create and Operate Your Own "mastermind" Group for Health, Wealth, and More. John Wiley & Sons, 2006.
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