Hersman, R. K. C. (2000). Friends and foes: How Congress and the president really make foreign policy. Brookings Institution Press.
Citazione stile Chigago Style (17a edizione)Hersman, Rebecca K. C. Friends and Foes: How Congress and the President Really Make Foreign Policy. Washington, D.C.: Brookings Institution Press, 2000.
Citatione MLA (9a ed.)Hersman, Rebecca K. C. Friends and Foes: How Congress and the President Really Make Foreign Policy. Brookings Institution Press, 2000.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.