APA
American Petroleum Institute A., . (2008). Cement sheath evaluation. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2008. Cement sheath evaluation. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2008). Cement sheath evaluation. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Cement sheath evaluation. Washington: American Petroleum Institute, API. 2008.