Hasebrook, J., Herrmann, W., & Rudolph, D. (2003). Perspectives for European e-learning businesses: Markets, technologies and strategies. Office for Official Publications of the European Communities.
Παραπομπή σε μορφή Chicago (17η εκδ.)Hasebrook, Joachim, Werner Herrmann, και Dirk Rudolph. Perspectives for European E-learning Businesses: Markets, Technologies and Strategies. Luxembourg: Office for Official Publications of the European Communities, 2003.
Παραπομπή σε μορφή MLA (8th εκδ.)Hasebrook, Joachim, et al. Perspectives for European E-learning Businesses: Markets, Technologies and Strategies. Office for Official Publications of the European Communities, 2003.
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