Dòng Nội dung
1
World history / William J. Duiker, Jackson J. Spielvogel.
Belmont, CA : West/Wadsworth, 1998.
xxxi, 1220, 56 p. : ill. (some col.), col. maps ; 27 cm.
2
World history / William J. Duiker, Jackson J. Spielvogel.
Boston, MA : Frederick Schaffer, 2010
1046 p. : ill. (some col.), col. maps ; 27 cm.