APA
Otto W., Schaning K., . (1980). International comparison of standard-materials; steel and cast iron. Berlin-Koln: Beuth GmbH.
Chicago
Otto Wilhelm, Schaning Klaus, . 1980. International comparison of standard-materials; steel and cast iron. Berlin-Koln: Beuth GmbH.
Harvard
Otto W., Schaning K., . (1980). International comparison of standard-materials; steel and cast iron. Berlin-Koln: Beuth GmbH.
MLA
Otto Wilhelm, Schaning Klaus, . International comparison of standard-materials; steel and cast iron. Berlin-Koln: Beuth GmbH. 1980.