APA
American Petroleum Institute A., . (1987). Analysis of spread mooring systems for floating drilling units. Washington: American Petroleum Institute, API.
Chicago
American Petroleum Institute API, . 1987. Analysis of spread mooring systems for floating drilling units. Washington: American Petroleum Institute, API.
Harvard
American Petroleum Institute A., . (1987). Analysis of spread mooring systems for floating drilling units. Washington: American Petroleum Institute, API.
MLA
American Petroleum Institute API, . Analysis of spread mooring systems for floating drilling units. Washington: American Petroleum Institute, API. 1987.