Agren, L. (1990). .Swedish direct investment in the U.S. IIB, Institute of International Business, Stockholm School of Economics.
芝加哥风格引文Agren, Lars. .Swedish Direct Investment in the U.S. Stockholm, Sweden: IIB, Institute of International Business, Stockholm School of Economics, 1990.
MLA引文Agren, Lars. .Swedish Direct Investment in the U.S. IIB, Institute of International Business, Stockholm School of Economics, 1990.
警告：这些引文格式不一定是100％准确.