Cita APA (7a ed.)

Ethier, W. (1988). Modern international economics (2nd ed.). Norton.

Cita Chicago Style (17a ed.)

Ethier, Wilfred. Modern International Economics. 2nd ed. New York: Norton, 1988.

Cita MLA (8a ed.)

Ethier, Wilfred. Modern International Economics. 2nd ed. Norton, 1988.