APA
Richard sons & Coulson, . (1997). Chemical Engg. : U.K Pargamon.
Chicago
Richard sons & Coulson, . 1997. Chemical Engg. : U.K Pargamon.
Harvard
Richard sons & Coulson, . (1997). Chemical Engg. : U.K Pargamon.
MLA
Richard sons & Coulson, . Chemical Engg. : U.K Pargamon. 1997.