APA-ийн эшлэл(7 дахь хэвлэлт)

Organisation for Economic Co-operation and Development. (1991). Oecd economic surveys: Italy. OECD Publishing.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

Organisation for Economic Co-operation and Development. Oecd Economic Surveys: Italy. Paris, France: OECD Publishing, 1991.

MLA -ийн эшлэл (9 дэх хэвлэлт)

Organisation for Economic Co-operation and Development. Oecd Economic Surveys: Italy. OECD Publishing, 1991.