Organisation for Economic Co-operation and Development, ProQuest (Firm), Clark, W. S., & Thomas, A. (2009). Taxation of SMEs: Key issues and policy considerations. OECD.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development, ProQuest (Firm), W. Steven Clark, و Alastair Thomas. Taxation of SMEs: Key Issues and Policy Considerations. Paris: OECD, 2009.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development, et al. Taxation of SMEs: Key Issues and Policy Considerations. OECD, 2009.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.