Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Competitiveness and private sector development: Sector specific sources of competitiveness in the Western Balkans : recommendation for a regional investment strategy. OECD.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development و ProQuest (Firm). Competitiveness and Private Sector Development: Sector Specific Sources of Competitiveness in the Western Balkans : Recommendation for a Regional Investment Strategy. Paris, France: OECD, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development و ProQuest (Firm). Competitiveness and Private Sector Development: Sector Specific Sources of Competitiveness in the Western Balkans : Recommendation for a Regional Investment Strategy. OECD, 2009.