APA (7th ed.) Zitazioa

DUIGNAN, P. (1980). The United states in the 1980s. Kalyani.

Chicago Style (17th ed.) Zitazioa

DUIGNAN, Peter. The United States in the 1980s. New Delhi: Kalyani, 1980.

MLA (9th ed.) Zitazioa

DUIGNAN, Peter. The United States in the 1980s. Kalyani, 1980.