(1987). Border and territorial disputes: A keesing's reference publication (2nd ed.). Longman.
Dyfyniad Arddull ChicagoBorder and Territorial Disputes: A Keesing's Reference Publication. 2nd ed. Essex: Longman, 1987.
Dyfyniad MLABorder and Territorial Disputes: A Keesing's Reference Publication. 2nd ed. Longman, 1987.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.