Dyfyniad APA

Petterssen, S. (1958). Introduction to meteorology (2nd ed.). Mc graw hill book company.

Dyfyniad Arddull Chicago

Petterssen, Sverre. Introduction to Meteorology. 2nd ed. New York: Mc graw hill book company, 1958.

Dyfyniad MLA

Petterssen, Sverre. Introduction to Meteorology. 2nd ed. Mc graw hill book company, 1958.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.