APA
Ludwig E. E., . (1977). Applied process design for chemical and petrochemical plants. Houston: Gulf Publishing.
Chicago
Ludwig Ernest E, . 1977. Applied process design for chemical and petrochemical plants. Houston: Gulf Publishing.
Harvard
Ludwig E. E., . (1977). Applied process design for chemical and petrochemical plants. Houston: Gulf Publishing.
MLA
Ludwig Ernest E, . Applied process design for chemical and petrochemical plants. Houston: Gulf Publishing. 1977.