APA (7th ed.) Zitazioa
Daniels, J. D., Radebaugh, L. H., & Sullivan, D. P. International Business: Environments and Operations (13a edición.). Prentice-Hall.
Chicago Style (17th ed.) Zitazioa
Daniels, John D., Lee H. Radebaugh, eta Daniel P. Sullivan. International Business: Environments and Operations. 13a edición. Upper Saddle River, EUA: Prentice-Hall.
MLA (9th ed.) Zitazioa
Daniels, John D., et al. International Business: Environments and Operations. 13a edición. Prentice-Hall.
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