APA-referens (7:e uppl.)

Não informado. (1971). NOAA. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Office of Public Affairs.

Chicago-referens (17:e uppl.)

Não informado. NOAA. Rockville, Md: U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Office of Public Affairs, 1971.

MLA-referens (8:e uppl.)

Não informado. NOAA. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Office of Public Affairs, 1971.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.