Organisation for Economic Co-operation and Development, SourceOECD (Online service), & ProQuest (Firm). (2007). Compilation manual for an index of services production. OECD.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development, SourceOECD (Online service), و ProQuest (Firm). Compilation Manual for an Index of Services Production. Paris, France: OECD, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development, et al. Compilation Manual for an Index of Services Production. OECD, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.