Duiker, William J. Twentieth-century world history / Wiliam J. Duiker. - Belmont, Calif. : West/Wadsworth, c1999. - xvi, 387p. : ill. ; 25 cm. Includes bibliographical references. ISBN: 0534548733 Subjects--Topical Terms: History, Modern--20th century LC Class. No.: D421 / D88 1999