APA-čujuhus (7. p.)
Rugman, A. M., Collinson, S., & Hodgetts, R. M. (2006). International business (4th ed.). Prentice Hall.
Chicago-čujuhus (17. p.)
Rugman, Alan M., Simon Collinson, juo Richard M. Hodgetts. International Business. 4th ed. Harlow, England: Prentice Hall, 2006.
MLA-čujuhus (9. p.)
Rugman, Alan M., et al. International Business. 4th ed. Prentice Hall, 2006.
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