Cita APA (7a ed.)
Stone, W. G. (1963). Geographic fundamentals. McGraw-Hill.
Cita Chicago Style (17a ed.)
Stone, W. G. Geographic Fundamentals. New York: McGraw-Hill, 1963.
Cita MLA (9a ed.)
Stone, W. G. Geographic Fundamentals. McGraw-Hill, 1963.
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