APA
American Petroleum Institute A., . (2007). Process control systems. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2007. Process control systems. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2007). Process control systems. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Process control systems. Washington: American Petroleum Institute, API. 2007.