APA

American Petroleum Institute A., . (2001). A manager's guide for reducing human errors. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2001. A manager's guide for reducing human errors. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2001). A manager's guide for reducing human errors. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . A manager's guide for reducing human errors. Washington: American Petroleum Institute, API. 2001.