APA
Cundiff E. W., Hilger M. T., . (1988). Marketing in international environment. New Jersey: Prentice Hall.
Chicago
Cundiff Edward W, Hilger Marye Tharp, . 1988. Marketing in international environment. New Jersey: Prentice Hall.
Harvard
Cundiff E. W., Hilger M. T., . (1988). Marketing in international environment. New Jersey: Prentice Hall.
MLA
Cundiff Edward W, Hilger Marye Tharp, . Marketing in international environment. New Jersey: Prentice Hall. 1988.