Regala, R. (1967). New dimensions in international affairs. Central Lawbook Pub.
芝加哥风格引文Regala, Roberto. New Dimensions in International Affairs. [Manila]: Central Lawbook Pub, 1967.
MLA引文Regala, Roberto. New Dimensions in International Affairs. Central Lawbook Pub, 1967.
警告：这些引文格式不一定是100％准确.