Não informado. (1962). Advanced management. Office executive. Society for Advancement of Management.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Advanced Management. Office Executive. New York: Society for Advancement of Management, 1962.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Advanced Management. Office Executive. Society for Advancement of Management, 1962.
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