TY  - BOOK
T1  - The essential world history
A1  - Duiker, William J. 1932-
A1  - Spielvogel, Jackson J. 1939-
LA  - English
PP  - Boston, MA
PB  - Cengage Learning
YR  - 2017
ED  - Eighth edition.
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217613234175
CN  - D 20 D84 2017
SN  - 9781305645363 (pbk ; v.2)
KW  - World history.
ER  -