Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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

Παραπομπή σε μορφή MLA (9th εκδ.)

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