Timmons, B. F., & Wissler, W. (1931). Personnel practices among Ohio industries. The Ohio state university press.
Čikaški stil citiranja (17. izdanje)Timmons, B. F., i Willis Wissler. Personnel Practices Among Ohio Industries. Columbus: The Ohio state university press, 1931.
MLA način citiranja (8. izdanje)Timmons, B. F., i Willis Wissler. Personnel Practices Among Ohio Industries. The Ohio state university press, 1931.
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