TROUT JACK [A]. (2008). POSITIONING: THE BATTLE FOR YOUR MIND (20TH.). TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED.
Chicago-viite (17. p.)TROUT JACK [A]. POSITIONING: THE BATTLE FOR YOUR MIND. 20TH. NEW DELHI: TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
MLA-viite (9. p.)TROUT JACK [A]. POSITIONING: THE BATTLE FOR YOUR MIND. 20TH. TATA MCGRAW-HILL PUBLISHING COMPANY LIMITED, 2008.
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