Dyfyniad APA

Watkins, G. S. An introduction to the study of labor problems. Crowell.

Dyfyniad Arddull Chicago

Watkins, Gordon S. An Introduction to the Study of Labor Problems. New York, [c1922]: Crowell.

Dyfyniad MLA

Watkins, Gordon S. An Introduction to the Study of Labor Problems. Crowell.

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