APA

American Petroleum Institute A., . (2010). Rotary type positive displacement compressors for petroleum, petrochemical, and natural gas industries. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2010. Rotary type positive displacement compressors for petroleum, petrochemical, and natural gas industries. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2010). Rotary type positive displacement compressors for petroleum, petrochemical, and natural gas industries. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Rotary type positive displacement compressors for petroleum, petrochemical, and natural gas industries. Washington: American Petroleum Institute, API. 2010.