APA-viite (7. p.)

CHRISTOPHERSON, R. W., & HOBBS, G. L. (1998). Applied physical geography geosystems in the laboratory.-- Ed.2. Prentice Hall.

Chicago-viite (17. p.)

CHRISTOPHERSON, Robert W., ja Gail Lewis HOBBS. Applied Physical Geography Geosystems in the Laboratory.-- Ed.2. New Jersey: Prentice Hall, 1998.

MLA-viite (9. p.)

CHRISTOPHERSON, Robert W., ja Gail Lewis HOBBS. Applied Physical Geography Geosystems in the Laboratory.-- Ed.2. Prentice Hall, 1998.