Horrocks, N. K. (1953). Physical geography and climatology. Longmans, Green.
Cita Chicago (17th ed.)Horrocks, N. K. Physical Geography and Climatology. New York: Longmans, Green, 1953.
Cita MLA (9th ed.)Horrocks, N. K. Physical Geography and Climatology. Longmans, Green, 1953.
Atenció: Aquestes cites poden no estar 100% correctes.