APA
American Petroleum Institute A., . (2000). Comprehensive report of API crude oil characterization measurements. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2000. Comprehensive report of API crude oil characterization measurements. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2000). Comprehensive report of API crude oil characterization measurements. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Comprehensive report of API crude oil characterization measurements. Washington: American Petroleum Institute, API. 2000.