Cita APA (7th ed.)

Kahler, R. (1983). International marketing (5a. ed.). South-Western.

Cita Chicago (17th ed.)

Kahler, Ruel. International Marketing. 5a. ed. Cincinnati: South-Western, 1983.

Cita MLA (9th ed.)

Kahler, Ruel. International Marketing. 5a. ed. South-Western, 1983.