Duiker, William J. World history / William J. Duiker, Jackson J. Spielvogel. - 8th ed. - Boston, MA : Wadsworth Cengage, 2016. - xxxi, 990 p : ill ; cm. ISBN: 9781305091207 LCCN: 2011932745 Subjects--Topical Terms: History--World.World History. LC Class. No.: D20 / .D85