Cita APA

Graham, E. M., & Krugman, P. R. (1989). Foreign direct investment in the United States (2nd ed.). Institute for International Economics.

Citación estilo Chicago

Graham, Edward Montgomery, and Paul R. Krugman. Foreign Direct Investment in the United States. 2nd ed. Washington, D.C: Institute for International Economics, 1989.

Cita MLA

Graham, Edward Montgomery, and Paul R. Krugman. Foreign Direct Investment in the United States. 2nd ed. Institute for International Economics, 1989.