Dyfyniad APA

Christopherson, R. W. (1994). Applied physical geography: Geosystems in the laboratory. Macmillan.

Dyfyniad Arddull Chicago

Christopherson, Robert W. Applied Physical Geography: Geosystems in the Laboratory. New York: Macmillan, 1994.

Dyfyniad MLA

Christopherson, Robert W. Applied Physical Geography: Geosystems in the Laboratory. Macmillan, 1994.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.