Williams, D., & Greenhaw, W. (2006). The thunder of angels: The Montgomery bus boycott and the people who broke the back of Jim Crow. Lawrence Hill Books.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Williams, Donnie, و Wayne Greenhaw. The Thunder of Angels: The Montgomery Bus Boycott and the People Who Broke the Back of Jim Crow. Chicago: Lawrence Hill Books, 2006.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Williams, Donnie, و Wayne Greenhaw. The Thunder of Angels: The Montgomery Bus Boycott and the People Who Broke the Back of Jim Crow. Lawrence Hill Books, 2006.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.