Duiker, W. J. (2015). Contemporary world history (Sixth edition.). Cengage Learning.
芝加哥风格引文Duiker, William J. Contemporary World History. Sixth edition. Stamford, Conn: Cengage Learning, 2015.
MLA引文Duiker, William J. Contemporary World History. Sixth edition. Cengage Learning, 2015.
警告：这些引文格式不一定是100％准确.