TY  - BOOK
AU  - William J. Duiker and Jackson J. Spielvogel 
TI  - The Essential World History
SN  - 13: 978-0-357-02686-1
U1  - Cir. 909 D873 C2020 
PY  - 2020///
CY  - Boston USA
PB  - Cengage Learning Inc.
ER  -