Manglapus, R. S. (1991). The Philippines at the strategic center: Foreign policy for the 1990s. Department of Foreign Affairs.
芝加哥风格引文Manglapus, Raul Sevilla. The Philippines at the Strategic Center: Foreign Policy for the 1990s. Manila: Department of Foreign Affairs, 1991.
MLA引文Manglapus, Raul Sevilla. The Philippines at the Strategic Center: Foreign Policy for the 1990s. Department of Foreign Affairs, 1991.
警告：这些引文格式不一定是100％准确.