Organisation for Economic Co-operation and Development & ProQuest (Firm). (2009). Piedmont, Italy. OECD.
Chicago Style (17th ed.) CitationOrganisation for Economic Co-operation and Development and ProQuest (Firm). Piedmont, Italy. Paris: OECD, 2009.
MLA引文Organisation for Economic Co-operation and Development and ProQuest (Firm). Piedmont, Italy. OECD, 2009.
警告:這些引文格式不一定是100%准確.