Steele, D. (2012). The million dollar private practice: Using your expertise to build a practice that makes a difference. John Wiley & Sons.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Steele, David. The Million Dollar Private Practice: Using Your Expertise to Build a Practice That Makes a Difference. Hoboken, N.J.: John Wiley & Sons, 2012.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Steele, David. The Million Dollar Private Practice: Using Your Expertise to Build a Practice That Makes a Difference. John Wiley & Sons, 2012.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.