Organisation for Economic Co-Operation and Development & Organisation for economic co-operation and development. (1997). OECD environmental data =: Donnees OCDE sur l'environnement : compendium 1997. Organisation for Economic Co-Operation and Development.
Παραπομπή σε μορφή Chicago (17η εκδ.)Organisation for Economic Co-Operation and Development και Organisation for economic co-operation and development. OECD Environmental Data =: Donnees OCDE Sur L'environnement : Compendium 1997. Paris: Organisation for Economic Co-Operation and Development, 1997.
Παραπομπή σε μορφή MLA (8th εκδ.)Organisation for Economic Co-Operation and Development και Organisation for economic co-operation and development. OECD Environmental Data =: Donnees OCDE Sur L'environnement : Compendium 1997. Organisation for Economic Co-Operation and Development, 1997.
