APA

American Petroleum Institute A., . (1999). Recommended practice for design of continuous flow gas lift installations using injection pressure operated valves. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1999. Recommended practice for design of continuous flow gas lift installations using injection pressure operated valves. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1999). Recommended practice for design of continuous flow gas lift installations using injection pressure operated valves. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Recommended practice for design of continuous flow gas lift installations using injection pressure operated valves. Washington: American Petroleum Institute, API. 1999.