Citazione Stile APA (7a Edizione)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2007). OECD environmental performance reviews: Belgium. OECD.
Citazione stile Chigago Style (17a edizione)
Organisation for Economic Co-operation and Development e ProQuest (Firm). OECD Environmental Performance Reviews: Belgium. Paris: OECD, 2007.
Citatione MLA (9a ed.)
Organisation for Economic Co-operation and Development e ProQuest (Firm). OECD Environmental Performance Reviews: Belgium. OECD, 2007.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.