Institution, 8. B. S. Unfired fusion welded pressure vessels.
Chicago-viite (17. p.)Institution, 8096 British Standards. Unfired Fusion Welded Pressure Vessels.
MLA-viite (9. p.)Institution, 8096 British Standards. Unfired Fusion Welded Pressure Vessels.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.