Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.