Organisation for Economic Co-operation and Development. (1968). Economic surveys by the OECD. OECD.
Chicago-referens (17:e uppl.)Organisation for Economic Co-operation and Development. Economic Surveys by the OECD. Paris: OECD, 1968.
MLA-referens (9:e uppl.)Organisation for Economic Co-operation and Development. Economic Surveys by the OECD. OECD, 1968.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.