NAMOWITZ, S. N. (1996). Earth Science Samuel N. Namowit, Donald B. Stone. DC. Heath and Company.
Lua i Stíl Chicago (17ú heag.)NAMOWITZ, Samuel N. Earth Science Samuel N. Namowit, Donald B. Stone. DC. Heath and Company, 1996.
Lua MLA (8ú heag.)NAMOWITZ, Samuel N. Earth Science Samuel N. Namowit, Donald B. Stone. DC. Heath and Company, 1996.
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