APA

American Petroleum Institute A., . (2010). Material verification program for new and existing alloy piping systems. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2010. Material verification program for new and existing alloy piping systems. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2010). Material verification program for new and existing alloy piping systems. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Material verification program for new and existing alloy piping systems. Washington: American Petroleum Institute, API. 2010.