the world bank. (2013). Jops. the world bank.
Cita Chicago (17th ed.)the world bank. Jops. washington dc: the world bank, 2013.
Cita MLA (9th ed.)the world bank. Jops. the world bank, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)