Organisation for Economic Co-operation and Development. (2002). Purchasing power parities and real expenditures: 1999 benchmark year = Parites de pouvoir d'achat et depenses reelles : annee de reference 1999. OECD.
Čikaški stil citiranja (17. izdanje)Organisation for Economic Co-operation and Development. Purchasing Power Parities and Real Expenditures: 1999 Benchmark Year = Parites De Pouvoir D'achat Et Depenses Reelles : Annee De Reference 1999. Paris, France: OECD, 2002.
MLA način citiranja (9. izdanje)Organisation for Economic Co-operation and Development. Purchasing Power Parities and Real Expenditures: 1999 Benchmark Year = Parites De Pouvoir D'achat Et Depenses Reelles : Annee De Reference 1999. OECD, 2002.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.