Stutz, P., & Michels, B. (2013). The tools: 5 tools to help you find courage, creativity, and willpower - and inspire you to live life in forward motion (Trade Paperback edition.). Spiegel & Grau Trade Paperbacks.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Stutz, Phil, و Barry Michels. The Tools: 5 Tools to Help You Find Courage, Creativity, and Willpower - and Inspire You to Live Life in Forward Motion. Trade Paperback edition. New York: Spiegel & Grau Trade Paperbacks, 2013.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Stutz, Phil, و Barry Michels. The Tools: 5 Tools to Help You Find Courage, Creativity, and Willpower - and Inspire You to Live Life in Forward Motion. Trade Paperback edition. Spiegel & Grau Trade Paperbacks, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.