Não informado. Report of Radio Researches and Works in Japan. National Research Council of Japan, Radio Research Committee.
Chicago-referens (17:e uppl.)Não informado. Report of Radio Researches and Works in Japan. Tokyo: National Research Council of Japan, Radio Research Committee.
MLA-referens (8:e uppl.)Não informado. Report of Radio Researches and Works in Japan. National Research Council of Japan, Radio Research Committee.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.