APA
American Petroleum Institute A., . (1991). Chemical fate and impact of oxygenates in groundwater. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1991. Chemical fate and impact of oxygenates in groundwater. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1991). Chemical fate and impact of oxygenates in groundwater. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Chemical fate and impact of oxygenates in groundwater. Washington: American Petroleum Institute, API. 1991.