Não informado. (1938). Memoirs of the Kakioka Magnetic Observatory. Kakioka Magnetic Observatory.
Chicago-referens (17:e uppl.)Não informado. Memoirs of the Kakioka Magnetic Observatory. Kakioka, Japan: Kakioka Magnetic Observatory, 1938.
MLA-referens (8:e uppl.)Não informado. Memoirs of the Kakioka Magnetic Observatory. Kakioka Magnetic Observatory, 1938.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.