TY  - BOOK
AU  - Beck, Roger B.
TI  - World history: patterns of interaction 
SN  - 9780618182893
U1  - REF 909 B393 [n.d] 
PY  - 0000///[n.d]
CY  - Illinois
PB  -  McDougall Littell
KW  - World history
ER  -