Zaffron Steve & Logan Dave. (2009). Three Laws of Performance: Rewriting the Future of your Organization and your life. Jossey- Bass, Wiley , Times Group Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Zaffron Steve و Logan Dave. Three Laws of Performance: Rewriting the Future of Your Organization and Your Life. New Dehli, India: Jossey- Bass, Wiley , Times Group Books, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Zaffron Steve و Logan Dave. Three Laws of Performance: Rewriting the Future of Your Organization and Your Life. Jossey- Bass, Wiley , Times Group Books, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.