Smithells, C. J. (1955). Metals reference book (2a. ed.). Butterworths Scientific.
Chicago Style (17th ed.) ZitazioaSmithells, Colin J. Metals Reference Book. 2a. ed. Londres: Butterworths Scientific, 1955.
MLA (9th ed.) ZitazioaSmithells, Colin J. Metals Reference Book. 2a. ed. Butterworths Scientific, 1955.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.