APA
American Petroleum Institute A., . (1976). Training and qualification of personnel in well control equipment and techniques for drilling on offshore locations. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1976. Training and qualification of personnel in well control equipment and techniques for drilling on offshore locations. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1976). Training and qualification of personnel in well control equipment and techniques for drilling on offshore locations. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Training and qualification of personnel in well control equipment and techniques for drilling on offshore locations. Washington: American Petroleum Institute, API. 1976.