Dyfyniad APA

Timmons, B. F., & Wissler, W. (1931). Personnel practices among Ohio industries. The Ohio state university press.

Dyfyniad Arddull Chicago

Timmons, B. F., and Willis Wissler. Personnel Practices Among Ohio Industries. Columbus: The Ohio state university press, 1931.

Dyfyniad MLA

Timmons, B. F., and Willis Wissler. Personnel Practices Among Ohio Industries. The Ohio state university press, 1931.

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