1. Abdallah, K. (2003): Tekstittämisen laatu ja digiaika. Uhkatekijöitä ja ratkaisuja [Subtitling Quality and the Digital Age: Challenges and Solutions], pro gradu thesis (unpublished), School of Modern Languages and Translation Studies, University of Tampere.
2. Abdallah, K. (2005): “Why Should We Classify Quality?,” in Koskinen, K. and L. Salmi (eds.), Proceedings of the XVII World Congress of the International Federation of Translators, (August 4-7, 2005 Tampere), Paris, FIT, pp. 45-47.
3. Abdallah, K. (forthcoming): Translation Quality in Production Networks. From Conflict to Cooperation, academic dissertation, School of Modern Languages and Translation Studies, University of Tampere.
4. Akava Special Branches (2005): Unpublished survey of translator-members, YTN/Käännösalan taustaryhmä, Ahola, Arja.
5. Akerlof, G. A. (1970): “The market for lemons: Quality uncertainty and the market mechanism,” Quarterly Journal of Economics, 84-3, pp. 488-500.