Feather, R. M., Snyder, S. L., & T Hesser, D. (1993). Merrill earth science. McGraw-Hill.
Chicago Style (17th ed.) CitationFeather, Ralph M., Susan Leach Snyder, and Dale T Hesser. Merrill Earth Science. New York: McGraw-Hill, 1993.
MLA citiranjeFeather, Ralph M., et al. Merrill Earth Science. McGraw-Hill, 1993.
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