Reference
- Johnston R , J. , Gregory , D. , Pratt , G. and Watts , M. J. 2000 . The Dictionary of Human Geography , 4 , Edited by: Johnston R , J. , Gregory , D. , Pratt , G. and Watts , M. J. Oxford : Blackwell .
Reference
- Florida , R. 2002 . The Rise of the Creative Class , New York, NY : Basic .