Institute of Management Services. (1976). Management Services. Institute of Practitioners in Work Study, Organization and Methods.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিInstitute of Management Services. Management Services. London: Institute of Practitioners in Work Study, Organization and Methods, 1976.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিInstitute of Management Services. Management Services. Institute of Practitioners in Work Study, Organization and Methods, 1976.
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