N. Kumar & R. Mittal. (2002). Office Organisation. Anmol Publications PVT. LTD.
Chicago Style aipamenaN. Kumar and R. Mittal. Office Organisation. New Delhi: Anmol Publications PVT. LTD, 2002.
MLA aipamenaN. Kumar and R. Mittal. Office Organisation. Anmol Publications PVT. LTD, 2002.
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