APA

Duignan P., Rabusgka A., . (1980). The United States in the 1980s. : Hoover Institution Stanford Uni.

Chicago

Duignan Peter, Rabusgka Alvin, . 1980. The United States in the 1980s. : Hoover Institution Stanford Uni.

Harvard

Duignan P., Rabusgka A., . (1980). The United States in the 1980s. : Hoover Institution Stanford Uni.

MLA

Duignan Peter, Rabusgka Alvin, . The United States in the 1980s. : Hoover Institution Stanford Uni. 1980.