1. Akerlof, G. A. (1970). The market for ‘Lemons’: Quality uncertainty and the market mechanism. Quarterly Journal of Economics, 84(3), 488–500.
2. Alderman, G., & Brown, R. (2005). Can quality assurance survive the market? Accreditation and audit at the crossroads. Higher Education Quarterly, 59(4), 313–328.
3. Beales, H. (1998). Licensing and certification systems. In P. Newman (Ed.), The new palgrave dictionary of economics and the law (Vol. 2, pp. 578–581). London: Macmillan.
4. Bickerstaffe, G. (2002). Accreditation: Do business schools really need the seal of approval? Times Online, October 3, 2002.
5. Bodenhöfer, H.-J. (1985). Probleme der Bildungsfinanzierung – Zum Stand der Diskussion. In G. Brinkmann (Ed.), Probleme der Bildungsfinanzierung (pp. 9–38). Berlin: Duncker & Humblot.