Cita APA (7th ed.)

Singh, S. India to use global positioning in civil air navigation system. IEEE spectrum.

Cita Chicago (17th ed.)

Singh, S. "India to Use Global Positioning in Civil Air Navigation System." IEEE Spectrum .

Cita MLA (9th ed.)

Singh, S. "India to Use Global Positioning in Civil Air Navigation System." IEEE Spectrum, .

Atenció: Aquestes cites poden no estar 100% correctes.