APA-referens (7:e uppl.)

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.

Chicago-referens (17:e uppl.)

Organisation for Economic Co-operation and Development. Committee on Tourism, Organisation for Economic Co-operation and Development, och ProQuest (Firm). OECD Studies on Tourism: Italy : Review of Issues and Policies. [Paris]: OECD, 2011.

MLA-referens (9:e uppl.)

Organisation for Economic Co-operation and Development. Committee on Tourism, et al. OECD Studies on Tourism: Italy : Review of Issues and Policies. OECD, 2011.