(1987). Balancing the national interest. Washington: National Academy Press.
Dyfyniad Arddull ChicagoBalancing the National Interest. Washington: National Academy Press, 1987.
Dyfyniad MLABalancing the National Interest. Washington: National Academy Press, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.