Ringmar, E. (2019). History of international relations: A non-European perspective. Open Book Publishers.
芝加哥风格引文Ringmar, Erik. History of International Relations: A Non-European Perspective. Cambridge, UK: Open Book Publishers, 2019.
MLA引文Ringmar, Erik. History of International Relations: A Non-European Perspective. Open Book Publishers, 2019.
警告：这些引文格式不一定是100％准确.