Não informado. (1950). Ionospheric Data in Japan. Radio Research Laboratories.
Style de citation Chicago (17e éd.)Não informado. Ionospheric Data in Japan. Tokyo: Radio Research Laboratories, 1950.
Style de citation MLA (8e éd.)Não informado. Ionospheric Data in Japan. Radio Research Laboratories, 1950.
Attention : ces citations peuvent ne pas être correctes à 100%.