Vitale, J. (2006). Meet & grow rich: How to easily create and operate your own "mastermind" group for health, wealth, and more. John Wiley & Sons.
استشهاد بنمط شيكاغوVitale, Joe. Meet & Grow Rich: How to Easily Create and Operate Your Own "mastermind" Group for Health, Wealth, and More. John Wiley & Sons, 2006.
MLA استشهادVitale, Joe. Meet & Grow Rich: How to Easily Create and Operate Your Own "mastermind" Group for Health, Wealth, and More. John Wiley & Sons, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.