Não informado. (1958). Bulletin signaletique des telecommunications. Centre National d' Etudes des Telecommunications.
Chicagoスタイル(17版)引用形式Não informado. Bulletin Signaletique Des Telecommunications. Issy-les-Moulineaux, França: Centre National d' Etudes des Telecommunications, 1958.
MLA(8版)引用形式Não informado. Bulletin Signaletique Des Telecommunications. Centre National d' Etudes des Telecommunications, 1958.
警告: この引用は必ずしも正確ではありません.