Hamblin, W. K., & Christiansen, E. H. (1998). Transparencies: Earth's dynamic systems (8th. ed.). Prentice Hall.
Cita Chicago Style (17a ed.)Hamblin, W. Kenneth, y Eric H. Christiansen. Transparencies: Earth's Dynamic Systems. 8th. ed. Upper Saddle River, NJ: Prentice Hall, 1998.
Cita MLA (8a ed.)Hamblin, W. Kenneth, y Eric H. Christiansen. Transparencies: Earth's Dynamic Systems. 8th. ed. Prentice Hall, 1998.
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