Koops, J. A., Style, H., & Koloriet, L. (2011). The European Union as an integrative power: Assessing the EU's 'effective multilateralism' with NATO and the United Nations. VUBPress.
芝加哥风格引文Koops, Joachim Alexander, Hulshout Style, 与 Leefdaal Koloriet. The European Union as an Integrative Power: Assessing the EU's 'Effective Multilateralism' with NATO and the United Nations. Brussels, Belgium: VUBPress, 2011.
MLA引文Koops, Joachim Alexander, et al. The European Union as an Integrative Power: Assessing the EU's 'Effective Multilateralism' with NATO and the United Nations. VUBPress, 2011.
警告：这些引文格式不一定是100％准确.