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.
Chicago-referens (17:e uppl.)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.
MLA-referens (8:e uppl.)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.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.