Não informado. (1919). Personnel: The management of people at work. American Management Association.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিNão informado. Personnel: The Management of People at Work. New York: American Management Association, 1919.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিNão informado. Personnel: The Management of People at Work. American Management Association, 1919.
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