APA

American Petroleum Institute A., . (2008). Steels for hydrogen service at elevated temperatures and pressures in petroleum refineries and petrochemical plants. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2008. Steels for hydrogen service at elevated temperatures and pressures in petroleum refineries and petrochemical plants. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2008). Steels for hydrogen service at elevated temperatures and pressures in petroleum refineries and petrochemical plants. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Steels for hydrogen service at elevated temperatures and pressures in petroleum refineries and petrochemical plants. Washington: American Petroleum Institute, API. 2008.