Skinner, B. J. (1986). Earth resources (3rd ed.). Prentice-Hall.
Chicago Style (17th ed.) CitationSkinner, Brian J. Earth Resources. 3rd ed. New Jersey: Prentice-Hall, 1986.
MLA (9th ed.) CitationSkinner, Brian J. Earth Resources. 3rd ed. Prentice-Hall, 1986.
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