APA

American Petroleum Institute A., Office of Pipeline Safety (OPS) & Office of Pipeline Safety (OPS). (1995). Risk management within the liquid pipeline industry. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, Office of Pipeline Safety (OPS) and Office of Pipeline Safety (OPS). 1995. Risk management within the liquid pipeline industry. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., Office of Pipeline Safety (OPS) and Office of Pipeline Safety (OPS). (1995). Risk management within the liquid pipeline industry. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, Office of Pipeline Safety (OPS) and Office of Pipeline Safety (OPS). Risk management within the liquid pipeline industry. Washington: American Petroleum Institute, API. 1995.