APA aipamena

Cave, M., Michie, J., & Slaa, P. (1992). Analysing Competition in International Telephone Service. IOS Press.

Chicago Style aipamena

Cave, M., J. Michie, and P. Slaa. Analysing Competition in International Telephone Service. IOS Press, 1992.

MLA aipamena

Cave, M., et al. Analysing Competition in International Telephone Service. IOS Press, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.