GUPTA D R. (1982). PURCHASING AND STORE-KEEPING. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Čikaški stil citiranja (17. izdanje)GUPTA D R. PURCHASING AND STORE-KEEPING. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1982.
MLA način citiranja (9. izdanje)GUPTA D R. PURCHASING AND STORE-KEEPING. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 1982.
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