Organisation for Economic Co-operation and Development, Organisation for Economic Co-operation and Development. Committee on Tourism, & ProQuest (Firm). (2010). OECD tourism trends and policies. OECD.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Organisation for Economic Co-operation and Development, Organisation for Economic Co-operation and Development. Committee on Tourism, و ProQuest (Firm). OECD Tourism Trends and Policies. [Paris]: OECD, 2010.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Organisation for Economic Co-operation and Development, et al. OECD Tourism Trends and Policies. OECD, 2010.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.