Finch, V. C., Trewartha, G. T., & Shearer, M. H. (1959). The earth and its resources /: A textbook for courses in physical geography and earth science (3rd ed.). New York: McGraw-Hill.
Παραπομπή Chicago StyleFinch, Vernor C., Glenn T. Trewartha, and M. H. Shearer. The Earth and Its Resources /: A Textbook for Courses in Physical Geography and Earth Science. 3rd ed. New York: McGraw-Hill, 1959.
Παραπομπή MLAFinch, Vernor C., Glenn T. Trewartha, and M. H. Shearer. The Earth and Its Resources /: A Textbook for Courses in Physical Geography and Earth Science. 3rd ed. New York: McGraw-Hill, 1959.
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