Bretz, E. Clear skies ahead [navigation systems]. IEEE spectrum.
Chicagoスタイル(17版)引用形式Bretz, E.A. "Clear Skies Ahead [navigation Systems]." IEEE Spectrum .
MLA(9版)引用形式Bretz, E.A. "Clear Skies Ahead [navigation Systems]." IEEE Spectrum, .
警告: この引用は必ずしも正確ではありません.