Tarbuck, E. J., & Lutgens, F. K. (2003). Earth science (10th ed.). Prentice Hall.
Cita Chicago (17th ed.)Tarbuck, Edward J., i Frederick K. Lutgens. Earth Science. 10th ed. Upper Saddle River, N.J: Prentice Hall, 2003.
Cita MLA (9th ed.)Tarbuck, Edward J., i Frederick K. Lutgens. Earth Science. 10th ed. Prentice Hall, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.