APA
American Petroleum Institute A., . (2004). Spark ignition properties of hand tools. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 2004. Spark ignition properties of hand tools. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (2004). Spark ignition properties of hand tools. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Spark ignition properties of hand tools. Washington: American Petroleum Institute, API. 2004.