APA
American Petroleum Institute A., . (1988). Subsurface and groundwater protection related to petreleum refinery operations. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1988. Subsurface and groundwater protection related to petreleum refinery operations. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1988). Subsurface and groundwater protection related to petreleum refinery operations. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Subsurface and groundwater protection related to petreleum refinery operations. Washington: American Petroleum Institute, API. 1988.