Okuda, S. (1941). Japanese industrial arts. Board of Tourist Industry, Japanese Government Railways.
Chicago-referens (17:e uppl.)Okuda, Seiichi. Japanese Industrial Arts. [Tokyo]: Board of Tourist Industry, Japanese Government Railways, 1941.
MLA-referens (9:e uppl.)Okuda, Seiichi. Japanese Industrial Arts. Board of Tourist Industry, Japanese Government Railways, 1941.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.