APA
Metallurgical plant and technology international. Dusseldorf: Verlag Stahleisen.
Chicago
Metallurgical plant and technology international. Dusseldorf: Verlag Stahleisen.
Harvard
Metallurgical plant and technology international. Dusseldorf: Verlag Stahleisen.
MLA
Dusseldorf: Verlag Stahleisen. .