Sölvell, Ö. (1987). Entry barriers and foreign penetration: Emerging patterns of international competition in two electrical engineering industries. Stockholm School of Economics, Institute of International Business.
Lua i Stíl Chicago (17ú heag.)Sölvell, Örjan. Entry Barriers and Foreign Penetration: Emerging Patterns of International Competition in Two Electrical Engineering Industries. Stockholm: Stockholm School of Economics, Institute of International Business, 1987.
Lua MLA (8ú heag.)Sölvell, Örjan. Entry Barriers and Foreign Penetration: Emerging Patterns of International Competition in Two Electrical Engineering Industries. Stockholm School of Economics, Institute of International Business, 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.