1. Towards an understanding of inequity.
2. Allison G 1992 Public and private management: are they fundamentally alike in all unimportant respects? in: J. Shafritz and A. Hyde (Eds)Classics of Public Administration, (Belmont, CA: Wadsworth) pp.457–475
3. Äripäev (Estonian business daily) 2000Tulemuspalga süsteem vähendab ametnike arvu(The pay-for-performance system will reduce the number of civil servants). November 21, 2000
4. Armstrong M 1993Managing Reward Systems(Buckingham: Open University Press)
5. Avaliku teenistuse aastaraamat 2000 (The Estonian Public Service Yearbook), 2001 (Tallinn: State Chancellery)