Não informado. (1959). Japan Telecommunications Review. Japan Telegraph and Telephone Public Corporation.
Chicago-referens (17:e uppl.)Não informado. Japan Telecommunications Review. Tokyo: Japan Telegraph and Telephone Public Corporation, 1959.
MLA-referens (8:e uppl.)Não informado. Japan Telecommunications Review. Japan Telegraph and Telephone Public Corporation, 1959.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.