Skinner, B. J., & Porter, S. C. (1992). The dynamic earth: An introduction to physical geology (2nd ed.). John Wiley & Sons.
Lua i Stíl Chicago (17ú heag.)Skinner, Brian J., agus Stephen C. Porter. The Dynamic Earth: An Introduction to Physical Geology. 2nd ed. New York: John Wiley & Sons, 1992.
Lua MLA (9ú heag.)Skinner, Brian J., agus Stephen C. Porter. The Dynamic Earth: An Introduction to Physical Geology. 2nd ed. John Wiley & Sons, 1992.
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