Citazione APA

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

Stile di citazione Chicago

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

Citazione MLA

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