OECD & Organisation for Economic Co-Operation and Development. (2010). Bío Bío Region, Chile. OECD.
Lua i Stíl Chicago (17ú heag.)OECD agus Organisation for Economic Co-Operation and Development. Bío Bío Region, Chile. París: OECD, 2010.
Lua MLA (9ú heag.)OECD agus Organisation for Economic Co-Operation and Development. Bío Bío Region, Chile. OECD, 2010.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.