PSG tech. (2013). Design Data. PSG Tech.
Cita Chicago (17th ed.)PSG tech. Design Data. Coimbatore: PSG Tech, 2013.
Cita MLA (9th ed.)PSG tech. Design Data. PSG Tech, 2013.
Atenció: Aquestes cites poden no estar 100% correctes.
Cita APA (7th ed.)