APA-referens (7:e uppl.)

Duignan, P. (1980). The United States in the 1980's (Abridged ed.). Addison-Wesley.

Chicago-referens (17:e uppl.)

Duignan, Peter. The United States in the 1980's. Abridged ed. Reading, Mass: Addison-Wesley, 1980.

MLA-referens (9:e uppl.)

Duignan, Peter. The United States in the 1980's. Abridged ed. Addison-Wesley, 1980.