APA
American Petroleum Institute A., . (1988). Large-diameter cabon steel flanges. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1988. Large-diameter cabon steel flanges. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1988). Large-diameter cabon steel flanges. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Large-diameter cabon steel flanges. Washington: American Petroleum Institute, API. 1988.