Critchfield, H. J. (2006). General climatology. Prentice-Hall.
Cita Chicago (17th ed.)Critchfield, Howard J. General Climatology. New Delhi: Prentice-Hall, 2006.
Cita MLA (9th ed.)Critchfield, Howard J. General Climatology. Prentice-Hall, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.