Willett, H. C., & Sanders, F. Descriptive meteorology (2nd ed.).
Chicago Style aipamenaWillett, Hurd C., and Frederick Sanders. Descriptive Meteorology. 2nd ed.
MLA aipamenaWillett, Hurd C., and Frederick Sanders. Descriptive Meteorology. 2nd ed.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.