Leifer, M. (2000). Singapore's foreign policy: Coping with vulnerability. Routledge.
芝加哥风格引文Leifer, Michael. Singapore's Foreign Policy: Coping with Vulnerability. New York, NY: Routledge, 2000.
MLA引文Leifer, Michael. Singapore's Foreign Policy: Coping with Vulnerability. Routledge, 2000.
警告：这些引文格式不一定是100％准确.