APA
Wells G., . (1980). Safety in Process Plant Design. : London,George Godwin ltd.
Chicago
Wells G.L, . 1980. Safety in Process Plant Design. : London,George Godwin ltd.
Harvard
Wells G., . (1980). Safety in Process Plant Design. : London,George Godwin ltd.
MLA
Wells G.L, . Safety in Process Plant Design. : London,George Godwin ltd. 1980.