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.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিSölvell, 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.
M.L.A (8 ম সংস্করণ) উদ্ধৃতিSölvell, 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.
সতর্কবাণী: সাইটেশন সবসময় 100% নির্ভুল হতে পারে না.