HUMPHREYS, W. (1964). Physica of the air. Dover.
Cita Chicago (17th ed.)HUMPHREYS, W.J. Physica of the Air. New York: Dover, 1964.
Cita MLA (9th ed.)HUMPHREYS, W.J. Physica of the Air. Dover, 1964.
Atenció: Aquestes cites poden no estar 100% correctes.