Amabile, T., & Kramer, S. (2011). The progress principle: Using small wins to ignite joy, engagement, and creativity at work. Harvard Business Review Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Amabile, Teresa, و Steven Kramer. The Progress Principle: Using Small Wins to Ignite Joy, Engagement, and Creativity at Work. Boston, Mass.: Harvard Business Review Press, 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Amabile, Teresa, و Steven Kramer. The Progress Principle: Using Small Wins to Ignite Joy, Engagement, and Creativity at Work. Harvard Business Review Press, 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.