APA
American Petroleum Institute A., . (2008). General purpose steam turbines for petroleum, chemical, and gas industry services. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2008. General purpose steam turbines for petroleum, chemical, and gas industry services. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2008). General purpose steam turbines for petroleum, chemical, and gas industry services. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . General purpose steam turbines for petroleum, chemical, and gas industry services. Washington: American Petroleum Institute, API. 2008.