Christopherson, R. W. (2003). Geosystems: An introduction to physical geography (5th ed.). Upper Saddle River, N.J.: Prentice Hall.
Trích dẫn kiểu ChicagoChristopherson, Robert W. Geosystems: An Introduction to Physical Geography. 5th ed. Upper Saddle River, N.J.: Prentice Hall, 2003.
MLA引文Christopherson, Robert W. Geosystems: An Introduction to Physical Geography. 5th ed. Upper Saddle River, N.J.: Prentice Hall, 2003.
警告:这些引文格式不一定是100%准确.