Arbnor, I., & Bjerke, B. (2009). Methodology for creating business knowledge (3rd ed.). SAGE.
Lua i Stíl Chicago (17ú heag.)Arbnor, Ingeman, agus Bjorn Bjerke. Methodology for Creating Business Knowledge. 3rd ed. Los Angeles: SAGE, 2009.
Lua MLA (8ú heag.)Arbnor, Ingeman, agus Bjorn Bjerke. Methodology for Creating Business Knowledge. 3rd ed. SAGE, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.