Não informado. (1971). NOAA. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Office of Public Affairs.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. NOAA. Rockville, Md: U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Office of Public Affairs, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. NOAA. U.S. Department of Commerce, National Oceanic and Atmospheric Administration, Office of Public Affairs, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.