Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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