Organisation for Economic Co-operation and Development. (1974). Belgium, France, United Kingdom. OECD.
Citazione stile Chigago Style (17a edizione)Organisation for Economic Co-operation and Development. Belgium, France, United Kingdom. Paris: OECD, 1974.
Citatione MLA (9a ed.)Organisation for Economic Co-operation and Development. Belgium, France, United Kingdom. OECD, 1974.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.