APA
American Petroleum Institute A., . (2001). Technologies to reduce oil and grease content of well treatment, well completion, and workover fluids for overboard disposal. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2001. Technologies to reduce oil and grease content of well treatment, well completion, and workover fluids for overboard disposal. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2001). Technologies to reduce oil and grease content of well treatment, well completion, and workover fluids for overboard disposal. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Technologies to reduce oil and grease content of well treatment, well completion, and workover fluids for overboard disposal. Washington: American Petroleum Institute, API. 2001.