Gaya APA

Thahhan, M., Ludwig, E, E. (2001). Applied Process Design For Chemical And Petrochemical Plants Volume 1 (3rd Ed.). Oxford: Gulf Professional Publishing.

Gaya MLA

Thahhan, Mahmud., Ludwig, Ernest, E.. "Applied Process Design For Chemical And Petrochemical Plants Volume 1". 3rd Ed. Oxford: Gulf Professional Publishing, 2001. Text.