Não informado. (1953). Review of the Electrical Communication Laboratories. Nippon Telegraph and Telephone Corporation.
Čikaški stil citiranja (17. izdanje)Não informado. Review of the Electrical Communication Laboratories. Tokyo: Nippon Telegraph and Telephone Corporation, 1953.
MLA način citiranja (8. izdanje)Não informado. Review of the Electrical Communication Laboratories. Nippon Telegraph and Telephone Corporation, 1953.
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