United States. Air Force Academy, Endicott, J. E., & Stafford, R. W. (1977). American defense policy (4th ed.). Johns Hopkins University Press.
Chicago-referens (17:e uppl.)United States. Air Force Academy, John E. Endicott, och Roy W. Stafford. American Defense Policy. 4th ed. Baltimore, Md: Johns Hopkins University Press, 1977.
MLA-referens (9:e uppl.)United States. Air Force Academy, et al. American Defense Policy. 4th ed. Johns Hopkins University Press, 1977.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.