Kissinger, H. (1961). The necessity for choice: Prospects of American foreign policy. Harper & Brothers.
Dyfyniad Arddull ChicagoKissinger, Henry. The Necessity for Choice: Prospects of American Foreign Policy. New York: Harper & Brothers, 1961.
Dyfyniad MLAKissinger, Henry. The Necessity for Choice: Prospects of American Foreign Policy. Harper & Brothers, 1961.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.