laurent leksell. (1981). Headquarter-Subsidiary Relationships in multinational corporations. stockholm school of economics.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)laurent leksell. Headquarter-Subsidiary Relationships in Multinational Corporations. sweden: stockholm school of economics, 1981.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)laurent leksell. Headquarter-Subsidiary Relationships in Multinational Corporations. stockholm school of economics, 1981.