APA (7th ed.) Zitazioa

Organisation for Economic Co-operation and Development. (2013). Implementing the OECD principles for integrity in public procurement: Progress since 2008. OECD Publishing.

Chicago Style (17th ed.) Zitazioa

Organisation for Economic Co-operation and Development. Implementing the OECD Principles for Integrity in Public Procurement: Progress Since 2008. Paris: OECD Publishing, 2013.

MLA (9th ed.) Zitazioa

Organisation for Economic Co-operation and Development. Implementing the OECD Principles for Integrity in Public Procurement: Progress Since 2008. OECD Publishing, 2013.