Osborne, A. K. (1967). An encyclopedia of the iron and steel industry (2nd ed., enlarged.). London: The Technical Press.
Παραπομπή Chicago StyleOsborne, A. K. An Encyclopedia of the Iron and Steel Industry. 2nd ed., enlarged. London: The Technical Press, 1967.
Παραπομπή MLAOsborne, A. K. An Encyclopedia of the Iron and Steel Industry. 2nd ed., enlarged. London: The Technical Press, 1967.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.