Azman Bin Mat Hussin. Emerald Systems Sdn. Bhd.
Cita Chicago (17th ed.)Azman Bin Mat Hussin. Emerald Systems Sdn. Bhd.
Cita MLA (8th ed.)Azman Bin Mat Hussin. Emerald Systems Sdn. Bhd.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)