Παραπομπή APA
Laird, D. A. 1. (1937). The psychology of selecting employees (3rd ed.). New York: McGraw-Hill book company, inc..
Παραπομπή Chicago StyleLaird, Donald Anderson 1897-1969. The Psychology of Selecting Employees. 3rd ed. New York: McGraw-Hill book company, inc., 1937.
Παραπομπή MLALaird, Donald Anderson 1897-1969. The Psychology of Selecting Employees. 3rd ed. New York: McGraw-Hill book company, inc., 1937.
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