APA

American Petroleum Institute A., . (1989). Effect of homogeneous and heterogeneous surface roughness on heavier - than - air gas dispersion. Washington: American Petroleum Institute, API.

Chicago

American Petroleum Institute API, . 1989. Effect of homogeneous and heterogeneous surface roughness on heavier - than - air gas dispersion. Washington: American Petroleum Institute, API.

Harvard

American Petroleum Institute A., . (1989). Effect of homogeneous and heterogeneous surface roughness on heavier - than - air gas dispersion. Washington: American Petroleum Institute, API.

MLA

American Petroleum Institute API, . Effect of homogeneous and heterogeneous surface roughness on heavier - than - air gas dispersion. Washington: American Petroleum Institute, API. 1989.