TY  - BOOK
AU  - Bastian, Sue.
AU  - Bammi, Vivek., Howard, Craig., et al. 
TI  - Theory of knowledge
SN  - 9780435994327
AV  - BD 161 .B326 2008
U1  - IB 121.21  
PY  - 2008///.
CY  - London
PB  - Heinemann International, 
ER  -