Organisation for Economic Co-operation and Development & ProQuest (Firm). (2008). Examens environnementaux de l'OCDE. OCDE.
Lua i Stíl Chicago (17ú heag.)Organisation for Economic Co-operation and Development agus ProQuest (Firm). Examens Environnementaux De L'OCDE. Paris: OCDE, 2008.
Lua MLA (9ú heag.)Organisation for Economic Co-operation and Development agus ProQuest (Firm). Examens Environnementaux De L'OCDE. OCDE, 2008.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.