Institute of Management Services. (1976). Management Services. Institute of Practitioners in Work Study, Organization and Methods.
Παραπομπή σε μορφή Chicago (17η εκδ.)Institute of Management Services. Management Services. London: Institute of Practitioners in Work Study, Organization and Methods, 1976.
Παραπομπή σε μορφή MLA (8th εκδ.)Institute of Management Services. Management Services. Institute of Practitioners in Work Study, Organization and Methods, 1976.
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