APA

American Petroleum Institute A., . (2006). Post - combustion NOx control for fired equipment in general refinery services. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 2006. Post - combustion NOx control for fired equipment in general refinery services. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (2006). Post - combustion NOx control for fired equipment in general refinery services. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Post - combustion NOx control for fired equipment in general refinery services. Washington: American Petroleum Institute, API. 2006.