Monroe, J. S., & Wicander, R. (2001). Physical geology: Exploring the earth (4th ed.). Brooks/Cole-Thomson Learning.
Cita Chicago (17th ed.)Monroe, James S., i Reed Wicander. Physical Geology: Exploring the Earth. 4th ed. Pacific Grove, CA: Brooks/Cole-Thomson Learning, 2001.
Cita MLA (9th ed.)Monroe, James S., i Reed Wicander. Physical Geology: Exploring the Earth. 4th ed. Brooks/Cole-Thomson Learning, 2001.
Atenció: Aquestes cites poden no estar 100% correctes.