Ziakas, V. (2014). Event portfolio planning and management: A holistic approach. Routledge.
Chicago-viite (17. p.)Ziakas, Vassilios. Event Portfolio Planning and Management: A Holistic Approach. London: Routledge, 2014.
MLA-viite (9. p.)Ziakas, Vassilios. Event Portfolio Planning and Management: A Holistic Approach. Routledge, 2014.
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