APA
American Petroleum Institute A., . (2015). Managing environmental aspects associated with exploration and production operations including hydraulic fracturing. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2015. Managing environmental aspects associated with exploration and production operations including hydraulic fracturing. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2015). Managing environmental aspects associated with exploration and production operations including hydraulic fracturing. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Managing environmental aspects associated with exploration and production operations including hydraulic fracturing. Washington: American Petroleum Institute, API. 2015.
