1. Altvater, E., & Mahnkopf, B. (1996). Limits of Globalisation: Politics, Economy and Ecology in the World Society. Muenster, Verlag Westfalisches Dampfboot, 33 p.
2. Ambros, B., & Schlegelmilch, B.B. (2009). The New Role of Regional Management. Basingstoke, Palgrave Macmillan, 288 p. http://dx.doi.org/10.1057/9780230273870.
3. Armstrong, M.A. (1999), Handbook of Human Resource Management Practice.London, Kogan Page, 922 p.
4. Benz, A. (2009). Politik in Mehrebenensystemen. Wiesbaden, VS Verlag fuer Socialwissenschaften, 257 p. http://dx.doi.org/10.1007/978-3-531- 91536-4.
5. Boldrin, M., & Canova, F. (2001). Inequality and convergence in Europe's regions: reconsidering European regional policies, Economic Policy, 16, 32, p. 205. http://dx.doi.org/10.1111/1468-0327.00074.