APA

American Petroleum Institute A., . (2007). Standard for third party network connectivity. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2007. Standard for third party network connectivity. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2007). Standard for third party network connectivity. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Standard for third party network connectivity. Washington: American Petroleum Institute, API. 2007.