Organisation for Economic Co-operation and Development & ProQuest (Firm). (2007). Examens environnementaux de l'OCDE. OCDE-Organisation de cooperation et de developpement economiques.
Citazione stile Chigago Style (17a edizione)Organisation for Economic Co-operation and Development e ProQuest (Firm). Examens Environnementaux De L'OCDE. Paris: OCDE-Organisation de cooperation et de developpement economiques, 2007.
Citatione MLA (9a ed.)Organisation for Economic Co-operation and Development e ProQuest (Firm). Examens Environnementaux De L'OCDE. OCDE-Organisation de cooperation et de developpement economiques, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.