APA

American Petroleum Institute A., . (2003). Owner/Operator's guide to operation and maintenance of vapor recovery systems at gasoline dispensing facilities. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2003. Owner/Operator's guide to operation and maintenance of vapor recovery systems at gasoline dispensing facilities. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2003). Owner/Operator's guide to operation and maintenance of vapor recovery systems at gasoline dispensing facilities. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Owner/Operator's guide to operation and maintenance of vapor recovery systems at gasoline dispensing facilities. Washington: American Petroleum Institute, API. 2003.