Παραπομπή APA

Thorelli, H., & Becker, H. (1980). International marketing strategy. Pergamon Press.

Παραπομπή Chicago Style

Thorelli, Hans, και Helmut Becker. International Marketing Strategy. New York: Pergamon Press, 1980.

Παραπομπή MLA

Thorelli, Hans, και Helmut Becker. International Marketing Strategy. Pergamon Press, 1980.