Kahler, R. (1983). International marketing (5th ed.). Cincinnati: South-Western Pub. Co..
Чикагска система за цитиранеKahler, Ruel. International Marketing. 5th ed. Cincinnati: South-Western Pub. Co., 1983.
MLA формат за цитиранеKahler, Ruel. International Marketing. 5th ed. Cincinnati: South-Western Pub. Co., 1983.
Внимание: Тези цитати може да не са 100% точни.