Kaufman, I. M. (2015). Digital marketing: Integrating strategy and tactics with values. Routledge, Taylor & Francis Group.
Lua i Stíl Chicago (17ú heag.)Kaufman, Ira Morton. Digital Marketing: Integrating Strategy and Tactics with Values. New York, London: Routledge, Taylor & Francis Group, 2015.
Lua MLA (9ú heag.)Kaufman, Ira Morton. Digital Marketing: Integrating Strategy and Tactics with Values. Routledge, Taylor & Francis Group, 2015.
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