Northede, F. (1968). Foreign policies of great powers. Faber & Faber.
Dyfyniad Arddull ChicagoNorthede, F.S. Foreign Policies of Great Powers. London: Faber & Faber, 1968.
Dyfyniad MLANorthede, F.S. Foreign Policies of Great Powers. Faber & Faber, 1968.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.