Não informado. (1967). Non-Destructive Testing. Iliffe Science and Technology Publications.
Chicago-referens (17:e uppl.)Não informado. Non-Destructive Testing. Guildford, Inglaterra: Iliffe Science and Technology Publications, 1967.
MLA-referens (8:e uppl.)Não informado. Non-Destructive Testing. Iliffe Science and Technology Publications, 1967.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.