Hedin, H., Hirvensalo, I., & Vaarnas, M. (2014). The handbook of market intelligence: Understand, compete and grow in global markets (2nd Edition.). Wiley. https://doi.org/10.1002/9781119208082
Παραπομπή σε μορφή Chicago (17η εκδ.)Hedin, Hans, Irmeli Hirvensalo, και Markko Vaarnas. The Handbook of Market Intelligence: Understand, Compete and Grow in Global Markets. 2nd Edition. Chichester, West Sussex: Wiley, 2014. https://doi.org/10.1002/9781119208082.
Παραπομπή σε μορφή MLA (8th εκδ.)Hedin, Hans, et al. The Handbook of Market Intelligence: Understand, Compete and Grow in Global Markets. 2nd Edition. Wiley, 2014. https://doi.org/10.1002/9781119208082.
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