Ringyō Shikenjō, Tokyo, Ringyō Shikenjō, Tokyo, & Ringyō Shikenjō, Tokyo. (1952). Kenkyū hōkoku. [publisher not identified].
Chicago Style (17th ed.) CitationRingyō Shikenjō, Tokyo, Tokyo Ringyō Shikenjō, and Tokyo Ringyō Shikenjō. Kenkyū Hōkoku. Tokyo: [publisher not identified], 1952.
MLA (9th ed.) CitationRingyō Shikenjō, Tokyo, et al. Kenkyū Hōkoku. [publisher not identified], 1952.
Warning: These citations may not always be 100% accurate.