Langdon, F. (1973). Japan's foreign policy. University of British Columbia Press.
Dyfyniad Arddull ChicagoLangdon, Frank. Japan's Foreign Policy. Vancouver, B.C.: University of British Columbia Press, 1973.
Dyfyniad MLALangdon, Frank. Japan's Foreign Policy. University of British Columbia Press, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.