APA-viite (7. p.)
Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). OECD environmental performance reviews: Greece. OECD Pub..
Chicago-viite (17. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). OECD Environmental Performance Reviews: Greece. Paris, France: OECD Pub., 2009.
MLA-viite (9. p.)
Organisation for Economic Co-operation and Development ja ProQuest (Firm). OECD Environmental Performance Reviews: Greece. OECD Pub., 2009.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.