Cita APA (7th ed.)

Root, F. R. (1984). International trade & investment (5a. ed.). South-Western.

Cita Chicago (17th ed.)

Root, Franklin R. International Trade & Investment. 5a. ed. Cincinnati: South-Western, 1984.

Cita MLA (9th ed.)

Root, Franklin R. International Trade & Investment. 5a. ed. South-Western, 1984.