Duiker, W. J. (2010). Contemporary world history (5th ed., International student ed.). Wadsworth/Cengage Learning.
Chicago Style (17th ed.) CitationDuiker, William J. Contemporary World History. 5th ed., International student ed. Australia: Wadsworth/Cengage Learning, 2010.
ציטוט MLADuiker, William J. Contemporary World History. 5th ed., International student ed. Wadsworth/Cengage Learning, 2010.
אזהרה: ציטוטים אלה לעיתים לא מדויקים ב 100%.