GRIFFITHS, D. N. (1995). MANAGEMENT IN A QUALITY ENVIRONMENT. TATA MC-GRAW HILL PUBLISHING CO.LTD.
Lua i Stíl Chicago (17ú heag.)GRIFFITHS, D N. MANAGEMENT IN A QUALITY ENVIRONMENT. NEW DELHI: TATA MC-GRAW HILL PUBLISHING CO.LTD, 1995.
Lua MLA (9ú heag.)GRIFFITHS, D N. MANAGEMENT IN A QUALITY ENVIRONMENT. TATA MC-GRAW HILL PUBLISHING CO.LTD, 1995.
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