Graham, E. M., & Krugman, P. R. (1989). Foreign direct investment in the United States (2nd ed.). Institute for International Economics.
芝加哥风格引文Graham, Edward Montgomery, 与 Paul R. Krugman. Foreign Direct Investment in the United States. 2nd ed. Washington, D.C: Institute for International Economics, 1989.
MLA引文Graham, Edward Montgomery, 与 Paul R. Krugman. Foreign Direct Investment in the United States. 2nd ed. Institute for International Economics, 1989.
警告：这些引文格式不一定是100％准确.