Regala, R. (1965). Law and diplomacy in a changing world. Central Lawbook Pub.
芝加哥风格引文Regala, Roberto. Law and Diplomacy in a Changing World. [Manilan]: Central Lawbook Pub, 1965.
MLA引文Regala, Roberto. Law and Diplomacy in a Changing World. Central Lawbook Pub, 1965.
警告：这些引文格式不一定是100％准确.