Jakobsen, G., & Torp, J. E. (2001). Understanding business systems in developing countries. Sage Publications.
Chicago Style aipamenaJakobsen, Gurli, and Jens Erik Torp. Understanding Business Systems in Developing Countries. New Delhi ; Thousand Oaks: Sage Publications, 2001.
MLA aipamenaJakobsen, Gurli, and Jens Erik Torp. Understanding Business Systems in Developing Countries. Sage Publications, 2001.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.