APA

Organization for Economic Co-operation and Development (Paris), .OECD at work. s.l: OECD.

Chicago

Organization for Economic Co-operation and Development (Paris), .OECD at work. s.l: OECD.

Harvard

Organization for Economic Co-operation and Development (Paris), .OECD at work. s.l: OECD.

MLA

Organization for Economic Co-operation and Development (Paris), .s.l: OECD. .