Organisation for Economic Co-operation and Development. Committee on Tourism, Organisation for Economic Co-operation and Development, & ProQuest (Firm). (2011). OECD studies on tourism: Italy : review of issues and policies. OECD.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Organisation for Economic Co-operation and Development. Committee on Tourism, Organisation for Economic Co-operation and Development, và ProQuest (Firm). OECD Studies on Tourism: Italy : Review of Issues and Policies. [Paris]: OECD, 2011.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Organisation for Economic Co-operation and Development. Committee on Tourism, et al. OECD Studies on Tourism: Italy : Review of Issues and Policies. OECD, 2011.
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