Mourdoukoutas, P., & Siomkos, G. J. (2010). The Seven Principles of WOM and Buzz Marketing: Crossing the Tipping Point. Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-02109-1
Chicago-čujuhus (17. p.)Mourdoukoutas, Panos, juo George J. Siomkos. The Seven Principles of WOM and Buzz Marketing: Crossing the Tipping Point. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. https://doi.org/10.1007/978-3-642-02109-1.
MLA-čujuhus (9. p.)Mourdoukoutas, Panos, juo George J. Siomkos. The Seven Principles of WOM and Buzz Marketing: Crossing the Tipping Point. Springer Berlin Heidelberg, 2010. https://doi.org/10.1007/978-3-642-02109-1.
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