Arbnor, I., & Bjorn Bjerke. (2009). Methodology for creating business knowledge/3e (3rd ed.). Sage Publications.
Chicago Style aipamenaArbnor, Ingeman, and Bjorn Bjerke. Methodology for Creating Business Knowledge/3e. 3rd ed. London: Sage Publications, 2009.
MLA aipamenaArbnor, Ingeman, and Bjorn Bjerke. Methodology for Creating Business Knowledge/3e. 3rd ed. Sage Publications, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.