Cita APA (7th ed.)
Organisation for Economic Co-operation and Development. (2017). Small, medium, strong. OECD.
Cita Chicago (17th ed.)
Organisation for Economic Co-operation and Development. Small, Medium, Strong. Paris: OECD, 2017.
Cita MLA (9th ed.)
Organisation for Economic Co-operation and Development. Small, Medium, Strong. OECD, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.