Ahmad Suffian Ramli. PPK Technology Sdn. Bhd.
Cita Chicago (17th ed.)Ahmad Suffian Ramli. PPK Technology Sdn. Bhd.
Cita MLA (8th ed.)Ahmad Suffian Ramli. PPK Technology Sdn. Bhd.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)