Tohutoro APA (7th ed.)

Czinkota, M. R., Rivoli, P., & Ronkainen, l. A. (1989). International business. The Dryden Press.

Tohutoru Kātū Chicago (17th ed.)

Czinkota, Michael R., Pietra Rivoli, me lkka A. Ronkainen. International Business. Chicago: The Dryden Press, 1989.

Tohutoro MLA (9th ed.)

Czinkota, Michael R., et al. International Business. The Dryden Press, 1989.