Freiman, D. J. (1979). The marketing path to global profits. Amacom.
Chicago Style aipamenaFreiman, David J. The Marketing Path to Global Profits. New York, N.Y.: Amacom, 1979.
MLA aipamenaFreiman, David J. The Marketing Path to Global Profits. Amacom, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.