RAO P K. (1993). GUIDE TO ISO 9000 REGISTRATION. QPROD PUBLICATIONS.
Chicago-čujuhus (17. p.)RAO P K. GUIDE TO ISO 9000 REGISTRATION. NEW DELHI: QPROD PUBLICATIONS, 1993.
MLA-čujuhus (9. p.)RAO P K. GUIDE TO ISO 9000 REGISTRATION. QPROD PUBLICATIONS, 1993.
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