APA
Emission control costs, Emission control costs, . (1967). In the iron and steel industry. : .
Chicago
Emission control costs, Emission control costs, . 1967. In the iron and steel industry. : .
Harvard
Emission control costs, Emission control costs, . (1967). In the iron and steel industry. : .
MLA
Emission control costs, Emission control costs, . In the iron and steel industry. : . 1967.