APA

American Petroleum Institute A., . (1990). Design of control systems for drilling well control equipment. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1990. Design of control systems for drilling well control equipment. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1990). Design of control systems for drilling well control equipment. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Design of control systems for drilling well control equipment. Washington: American Petroleum Institute, API. 1990.