Cita APA (7th ed.)
Optima Technology Group Ltd. MarketLine Company Profile. Marketline.
Cita Chicago (17th ed.)
Optima Technology Group Ltd. MarketLine Company Profile. Marketline.
Cita MLA (9th ed.)
Optima Technology Group Ltd. MarketLine Company Profile. Marketline.
Atenció: Aquestes cites poden no estar 100% correctes.