APA-viite (7. p.)

Duiker, W. J. (2010). Contemporary world history (5th ed.). Wadsworth, Cengage Learning.

Chicago-viite (17. p.)

Duiker, William J. Contemporary World History. 5th ed. Boston: Wadsworth, Cengage Learning, 2010.

MLA-viite (9. p.)

Duiker, William J. Contemporary World History. 5th ed. Wadsworth, Cengage Learning, 2010.