APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.