RIGSBY JEFFREY A. (2003). MASTERING SRATEGY: INSIGHTS FROM THE WORLDS...THINKERS. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-viite (17. p.)RIGSBY JEFFREY A. MASTERING SRATEGY: INSIGHTS FROM THE WORLDS...THINKERS. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.
MLA-viite (9. p.)RIGSBY JEFFREY A. MASTERING SRATEGY: INSIGHTS FROM THE WORLDS...THINKERS. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2003.
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