De Blij, P.Muller. (2010). Geography: Realms, Regions and Concepts (14th edition). John Wiley and Sons. Nex York.

Farrel, M., Hettne, B. and L. van Langenhove (2005): Global Politics of Regionalism: Theory and Practice . London: Pluto Press. (Chapter 13)

Zuletzt geändert: Montag, 27. September 2021, 12:05