Government of Kerala. (2010). Economic review 2009. State Plannig Board.
Chicago Edition CitationGovernment of Kerala. Economic Review 2009. Thiruvananthapuram: State Plannig Board, 2010.
Cita MLAGovernment of Kerala. Economic Review 2009. State Plannig Board, 2010.
Atenció: Aquestes cites poden no estar 100% correctes.