1. Ackeren, Isabel van/ Hovestadt, Gertrud (2003): Indikatorisierumg der Empfehlungen des Forum Bildung. Berlin: BMBF
2. Altrichter, Herbert/ Brüsemeister, Thomas/ Wissinger, Jochen (2007): Educational Governance. Handlungskoordination und Steuerung im Bildungssystem. Wiesbaden: VS Verlag
3. Anderson, Jo Anne (2005): Accountability in Education, Paris: UNESCO/IIEP
4. Bell, Simon/ Morse, Stephen (1999): Sustainability Indicators. Measuring the Immeasurable. London: Earthscan
5. Dies. (2003): Measuring Sustainability. Learning from Doing. London: Earthscan