Achor, S. (2010). The happiness advantage: The seven principles of positive psychology that fuel success and performance at work. Crown Business.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Achor, Shawn. The Happiness Advantage: The Seven Principles of Positive Psychology That Fuel Success and Performance at Work. New York: Crown Business, 2010.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Achor, Shawn. The Happiness Advantage: The Seven Principles of Positive Psychology That Fuel Success and Performance at Work. Crown Business, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.