APA
American Petroleum Institute A., . (1995). Recommended practices for testing sand used in gravel packing operations. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1995. Recommended practices for testing sand used in gravel packing operations. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1995). Recommended practices for testing sand used in gravel packing operations. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Recommended practices for testing sand used in gravel packing operations. Washington: American Petroleum Institute, API. 1995.