TY  - BOOK
AU  - Denemark, Robert A.
AU  - Jonathan Friedman, Barry K. Gills, George Modelski
TI  - World System History 
SN  - 0-415-23276-7
U1  - 909 
PY  - 2000///
CY  - London
PB  - Routledge
KW  - History
KW  - World History
ER  -