Cita APA (7a ed.)

Graham, E. M., & Krugman, P. R. (1989). Foreign direct investment in the United States: Edward M. Graham, Paul R. Krugman. Institute for International Economics.

Cita Chicago Style (17a ed.)

Graham, Edward M., e Paul R. Krugman. Foreign Direct Investment in the United States: Edward M. Graham, Paul R. Krugman. Washington, D.C.: Institute for International Economics, 1989.

Cita MLA (8a ed.)

Graham, Edward M., e Paul R. Krugman. Foreign Direct Investment in the United States: Edward M. Graham, Paul R. Krugman. Institute for International Economics, 1989.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.