Cloud, H. (2011). Necessary endings: The employees, businesses, and relationships that all of us have to give up in order to move forward (Unabridged.).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Cloud, Henry. Necessary Endings: The Employees, Businesses, and Relationships That All of Us Have to Give Up in Order to Move Forward. Unabridged. 2011.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Cloud, Henry. Necessary Endings: The Employees, Businesses, and Relationships That All of Us Have to Give Up in Order to Move Forward. Unabridged. 2011.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.