Thomas, B. (2013). Anticipate: Know what your customers need before they do. John Wiley & Sons.
Chicago-tyylinen lähdeviittausThomas, Bill. Anticipate: Know What Your Customers Need Before They Do. John Wiley & Sons, 2013.
MLA-viiteThomas, Bill. Anticipate: Know What Your Customers Need Before They Do. John Wiley & Sons, 2013.
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