Hughes, B. B. (1997). Continuity and chance in world politics: Competing perspectives (3rd ed.). Prentice Hall.
芝加哥风格引文Hughes, Barry B. Continuity and Chance in World Politics: Competing Perspectives. 3rd ed. New Jersey: Prentice Hall, 1997.
MLA引文Hughes, Barry B. Continuity and Chance in World Politics: Competing Perspectives. 3rd ed. Prentice Hall, 1997.
警告：这些引文格式不一定是100％准确.