1. Bailom F, Matzler K, Tschemernjak D (2006) Was Top-Unternehmen anders machen. Linde, Wien
2. Buzzel RD, Gale BT (1987) The PIMS principle: linking strategy to performance. Free Press, New York
3. Collins J (1994) Built to last: successful habits of visionary companies. Harper, New York
4. Collins J (2001) Good to great: why some companies make the leap and others don’t. Harper, New York
5. EFQM (2003) Das EFQM-Modell für Excellence. EFQM Brussels Representative Office, Brussels, deutsche Fassung