APA
American Petroleum Institute A., . (2021). Welding of pipelines and related facilities. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2021. Welding of pipelines and related facilities. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2021). Welding of pipelines and related facilities. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Welding of pipelines and related facilities. Washington: American Petroleum Institute, API. 2021.