Maritime Research Information Service\nNational Research Council, Transportation Research Board. MRIS Current Awareness Service. U.S. National Academy of Sciences.
Chicago-referens (17:e uppl.)Maritime Research Information Service\nNational Research Council, Transportation Research Board. MRIS Current Awareness Service. Washington: U.S. National Academy of Sciences.
MLA-referens (8:e uppl.)Maritime Research Information Service\nNational Research Council, Transportation Research Board. MRIS Current Awareness Service. U.S. National Academy of Sciences.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.