Christopherson, R. W. (1994). Applied physical geography: Geosystems in the laboratory. Macmillan.
芝加哥风格引文Christopherson, Robert W. Applied Physical Geography: Geosystems in the Laboratory. New York: Macmillan, 1994.
MLA引文Christopherson, Robert W. Applied Physical Geography: Geosystems in the Laboratory. Macmillan, 1994.
警告:这些引文格式不一定是100%准确.