APA

American Petroleum Institute A., . (2006). Human factors tool for existing operations. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2006. Human factors tool for existing operations. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2006). Human factors tool for existing operations. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Human factors tool for existing operations. Washington: American Petroleum Institute, API. 2006.