TY  - BOOK
AU  - Cannon, Martin Richard
AU  - Nerzic Jones,
AU  - Keys, David
AU  - Mamaux, Alexis
TI  - IB Diploma 20th century world history: Course companion
SN  - 9780199152612
U1  - IB 909 CAN 
PY  - 2009///
PB  - Oxford University Press
ER  -