1. Federal Statistical Office: Demographischer Wandel in Deutschland, Heft 2 [Demographic change in Germany, Issue 2]: Auswirkungen der Krankenhausbehandlungen und Pflegebedürftigen im Bund und in den Ländern” [Effects of hospital treatments and those needing care at federal level and in the federal states]. 2010, Wiesbaden: Federal Statistical Office
2. Grimshaw D, Carroll M, Jaehrling K, Méhau P: Shaping and reshaping the work organisation: including or excluding low skilled labour? The case of the nurse assistant in Germany, France and the United Kingdom. In SASE 2006, 18th Annual Meeting on Socio-Economics "Constituting globalization: actors, arenas and outcomes". 2006, Germany: IAAEG, University of Trier
3. CarrerOneStep: Occupation Information: [
http://www.careerinfonet.net/Occ_Intro.asp?id=1&nodeid=1
]
4. United States Department of Labor: Occupational Outlook Handbook. 2012–13 Edition. Nursing Aides, Orderlies, and Attendants. 2013, Washington: U.S: Department of Labor, Bureau of Labor Statistics, [
http://www.bls.gov/ooh/healthcare/nursing-assistants.htm
]
5. Elias P: Occupational Classification (ISCO-88): Concepts, Methods, Reliability, Validity and Cross-National Comparability. In OECD Labour Market and Social Policy Occasional Papers, No 20. 1997, Paris: OECD