Cita APA (7th ed.)

Rugman, A. M., Collinson, S., & Hodgetts, R. M. (2006). International business (4th ed.). Prentice Hall.

Cita Chicago (17th ed.)

Rugman, Alan M., Simon Collinson, i Richard M. Hodgetts. International Business. 4th ed. Harlow, England: Prentice Hall, 2006.

Cita MLA (9th ed.)

Rugman, Alan M., et al. International Business. 4th ed. Prentice Hall, 2006.