Keylor, W. R. (1992). The Twentieth century world: An international history (Ed.2.).
Chicago Edition CitationKeylor, William R. The Twentieth Century World: An International History. Ed.2. 1992.
MLA Edition CitationKeylor, William R. The Twentieth Century World: An International History. Ed.2. 1992.
Warning: These citations may not always be 100% accurate.