Press, F., & Siever, R. (2000). Student guide for understanding earth: Frank Press, Raymond Siever (3rd ed.). W.H.Freeman and Company.
Citace podle Chicago (17th ed.)Press, Frank, a Raymond Siever. Student Guide for Understanding Earth: Frank Press, Raymond Siever. 3rd ed. New York: W.H.Freeman and Company, 2000.
Citace podle MLA (9th ed.)Press, Frank, a Raymond Siever. Student Guide for Understanding Earth: Frank Press, Raymond Siever. 3rd ed. W.H.Freeman and Company, 2000.
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