Dyfyniad APA

Shewhart, W. (1931). Economic control of quality of manufactured product. D. Van Nostrand Company.

Dyfyniad Arddull Chicago

Shewhart, W.A. Economic Control of Quality of Manufactured Product. New York: D. Van Nostrand Company, 1931.

Dyfyniad MLA

Shewhart, W.A. Economic Control of Quality of Manufactured Product. D. Van Nostrand Company, 1931.

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