Brooks, W. T. (2004). The new science of selling and persuasion: How smart companies and great salespeople sell. Hoboken, NJ: John Wiley & Sons.
Chicago-tyylinen lähdeviittausBrooks, William T. The New Science of Selling and Persuasion: How Smart Companies and Great Salespeople Sell. Hoboken, NJ: John Wiley & Sons, 2004.
MLA-viiteBrooks, William T. The New Science of Selling and Persuasion: How Smart Companies and Great Salespeople Sell. Hoboken, NJ: John Wiley & Sons, 2004.
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