(1984). ICPSR Instructional Subset American Leadership Opinion and United States Foreign Policy, 1975 / Chicago Council on Foreign Relations. [electronic resource].
Chicago-referens (17:e uppl.)ICPSR Instructional Subset American Leadership Opinion and United States Foreign Policy, 1975 / Chicago Council on Foreign Relations. [electronic Resource]. 1984.
MLA-referens (9:e uppl.)ICPSR Instructional Subset American Leadership Opinion and United States Foreign Policy, 1975 / Chicago Council on Foreign Relations. [electronic Resource]. 1984.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.