Não informado. (1963). Ionospheric predictions. U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory.
Chicagoスタイル(17版)引用形式Não informado. Ionospheric Predictions. Washington: U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory, 1963.
MLA(8版)引用形式Não informado. Ionospheric Predictions. U.S. Department of Commerce, National Bureau of Standards, Central Radio Propagation Laboratory, 1963.
警告: この引用は必ずしも正確ではありません.