Skinner, B. J., Porter, S. C., & Jeffrey Park. (2004). Dynamic earth: An introduction to physical geology (5th ed.). John Wiley & Sons.

Skinner, Brian J., Stephen C. Porter, and Jeffrey Park. Dynamic Earth: An Introduction to Physical Geology. 5th ed. New Jersey: John Wiley & Sons, 2004.

Skinner, Brian J., et al. Dynamic Earth: An Introduction to Physical Geology. 5th ed. John Wiley & Sons, 2004.