Cita APA (7th ed.)

Organisation for Economic Co-operation and Development & ProQuest (Firm). (2011). OECD environmental performance reviews: Slovak Republic 2011. OECD Pub..

Cita Chicago (17th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). OECD Environmental Performance Reviews: Slovak Republic 2011. Paris: OECD Pub., 2011.

Cita MLA (9th ed.)

Organisation for Economic Co-operation and Development i ProQuest (Firm). OECD Environmental Performance Reviews: Slovak Republic 2011. OECD Pub., 2011.