Williams, W. (1920). What's on the worker's mind: By one who put on overalls to find out, Whiting Williams. C. Scribner's sons.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Williams, Whiting. What's on the Worker's Mind: By One Who Put on Overalls to Find Out, Whiting Williams. New York: C. Scribner's sons, 1920.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Williams, Whiting. What's on the Worker's Mind: By One Who Put on Overalls to Find Out, Whiting Williams. C. Scribner's sons, 1920.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.