Becker, C. L. (1952). Modern history: The rise of a democratic, scientific and industrialized civilization. Silver Burdett Company.
Chicago-referens (17:e uppl.)Becker, Carl Lotus. Modern History: The Rise of a Democratic, Scientific and Industrialized Civilization. New York: Silver Burdett Company, 1952.
MLA-referens (9:e uppl.)Becker, Carl Lotus. Modern History: The Rise of a Democratic, Scientific and Industrialized Civilization. Silver Burdett Company, 1952.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.