Não informado. (1956). Point to point telecommunication. Marconi's Wireless Telegraph.
Chicagoスタイル(17版)引用形式Não informado. Point to Point Telecommunication. Chelmsford, Inglaterra: Marconi's Wireless Telegraph, 1956.
MLA(8版)引用形式Não informado. Point to Point Telecommunication. Marconi's Wireless Telegraph, 1956.
警告: この引用は必ずしも正確ではありません.