GITLOW HOWARD; OPPENHEIM ALAN; OPPENHEIM ROSA; LEVINE DAVID. (2017). QUALITY MANAGEMENT (3RD.). MCGRAW HILL EDUCATION INDIA PVT LTD.
Chicago-viite (17. p.)GITLOW HOWARD; OPPENHEIM ALAN; OPPENHEIM ROSA; LEVINE DAVID. QUALITY MANAGEMENT. 3RD. CHENNAI: MCGRAW HILL EDUCATION INDIA PVT LTD, 2017.
MLA-viite (9. p.)GITLOW HOWARD; OPPENHEIM ALAN; OPPENHEIM ROSA; LEVINE DAVID. QUALITY MANAGEMENT. 3RD. MCGRAW HILL EDUCATION INDIA PVT LTD, 2017.
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