Japan Iron and Steel Federations. Directory of iron and steel works of Japan, 1961. s.n.
Chicago-viite (17. p.)Japan Iron and Steel Federations. Directory of Iron and Steel Works of Japan, 1961. Tokyo: s.n.
MLA-viite (9. p.)Japan Iron and Steel Federations. Directory of Iron and Steel Works of Japan, 1961. s.n.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.