PETTINGER RICHARD. (1994). INTRODUCTION TO MANAGEMENT. MACMILLAN.
Chicago-čujuhus (17. p.)PETTINGER RICHARD. INTRODUCTION TO MANAGEMENT. LONDON: MACMILLAN, 1994.
MLA-čujuhus (9. p.)PETTINGER RICHARD. INTRODUCTION TO MANAGEMENT. MACMILLAN, 1994.
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