Cita APA (7th ed.)

Institute of Policy Studies (IPS) of Srilanka. (2011). Sri Lanka state of the economy 2011. Institute of Policy Studies (IPS) of Srilanka.

Cita Chicago (17th ed.)

Institute of Policy Studies (IPS) of Srilanka. Sri Lanka State of the Economy 2011. Colombo: Institute of Policy Studies (IPS) of Srilanka, 2011.

Cita MLA (8th ed.)

Institute of Policy Studies (IPS) of Srilanka. Sri Lanka State of the Economy 2011. Institute of Policy Studies (IPS) of Srilanka, 2011.

Atenció: Aquestes cites poden no estar 100% correctes.