BERG, T. L. (1970). Mismarketing Case Historis Of Marketing Misfires Thomas L. Berg. Thomas Nelson and Sona Ltd.
Lua i Stíl Chicago (17ú heag.)BERG, Thomas L. Mismarketing Case Historis Of Marketing Misfires Thomas L. Berg. Thomas Nelson and Sona Ltd, 1970.
Lua MLA (8ú heag.)BERG, Thomas L. Mismarketing Case Historis Of Marketing Misfires Thomas L. Berg. Thomas Nelson and Sona Ltd, 1970.
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