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.
Lua i Stíl Chicago (17ú heag.)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.
Lua MLA (8ú heag.)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.
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