Pilditech, J. (1997). Winning ways: How companies create the products we all want to buy. Viva books.
Chicago-tyylinen lähdeviittausPilditech, James. Winning Ways: How Companies Create the Products We All Want to Buy. New Delhi: Viva books, 1997.
MLA-viitePilditech, James. Winning Ways: How Companies Create the Products We All Want to Buy. Viva books, 1997.
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