Petterssen, S. (1969). Introduction to meteorology (3rd ed.). McGraw-Hill.
Dyfyniad Arddull ChicagoPetterssen, Sverre. Introduction to Meteorology. 3rd ed. New York: McGraw-Hill, 1969.
Dyfyniad MLAPetterssen, Sverre. Introduction to Meteorology. 3rd ed. McGraw-Hill, 1969.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.