Dyfyniad APA

Chellew, H. (1920). Human and industrial efficiency. G. P. Putnam's Sons.

Dyfyniad Arddull Chicago

Chellew, Henry. Human and Industrial Efficiency. New York, London: G. P. Putnam's Sons, 1920.

Dyfyniad MLA

Chellew, Henry. Human and Industrial Efficiency. G. P. Putnam's Sons, 1920.

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