Davidson, J. P., Reed, W. E., & Davis, P. M. (2002). Exploring earth: An introduction to physical geology (2nd ed.). Upper Saddle River, NJ.: Prentice-Hall.
Παραπομπή Chicago StyleDavidson, Jon P., Walter E. Reed, and Paul M. Davis. Exploring Earth: An Introduction to Physical Geology. 2nd ed. Upper Saddle River, NJ.: Prentice-Hall, 2002.
Παραπομπή MLADavidson, Jon P., Walter E. Reed, and Paul M. Davis. Exploring Earth: An Introduction to Physical Geology. 2nd ed. Upper Saddle River, NJ.: Prentice-Hall, 2002.
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