Duignan, P. (1980). The United States in the 1980's (Abridged ed.). Addison-Wesley.
芝加哥风格引文Duignan, Peter. The United States in the 1980's. Abridged ed. Reading, Mass: Addison-Wesley, 1980.
MLA引文Duignan, Peter. The United States in the 1980's. Abridged ed. Addison-Wesley, 1980.
警告：这些引文格式不一定是100％准确.