APA
American Petroleum Institute A., . (1981). Refinery wastewater priority pollutant study - sample analysis and evaluation of data. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1981. Refinery wastewater priority pollutant study - sample analysis and evaluation of data. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1981). Refinery wastewater priority pollutant study - sample analysis and evaluation of data. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Refinery wastewater priority pollutant study - sample analysis and evaluation of data. Washington: American Petroleum Institute, API. 1981.