Gaya APA

Ludwig, E, E. (1964). Applied process design for chemical and petrochemical plants. Jilid I Heat transfer, refrigeration systems, compression equipment (1964). : Texas : Gulf Publishing Company,.

Gaya MLA

Ludwig, Ernest, E. "Applied process design for chemical and petrochemical plants. Jilid I Heat transfer, refrigeration systems, compression equipment". 1964 : Texas : Gulf Publishing Company,, 1964. Text.