Duiker, William J.,  1932- <br/><br/>The Essential World History / William J. Duiker and Jayson J. Spielvogel.  - 7th edition.  - Singapore :  Cengage Learning Asia Pte Ltd,  ©2014.  - xxxi, 864 pages :  illustrations, maps ;  26 cm. <br/><br/>Includes bibliographical references and index <br/><br/>Duiker, W. J., Spielvogel, J. J. (2014). The essential world history (7th ed.) Singapore: Cengage Learning Asia Pte Ltd. <br/><br/><label>ISBN: </label>9789814609227 978-981-4609-22-7 <br/><br/><label>Subjects--Topical Terms: </label><br/>World history<br/><br/><label>LC Class. No.: </label>D20  / .D918 2014