Não informado. (2018). Professional Papers of the Signal Service. Chief Signal Officer.
Chicagoスタイル(17版)引用形式Não informado. Professional Papers of the Signal Service. Washington: Chief Signal Officer, 2018.
MLA(8版)引用形式Não informado. Professional Papers of the Signal Service. Chief Signal Officer, 2018.
警告: この引用は必ずしも正確ではありません.