Smith, W. G. (1936). Practical descriptive geometry (4a ed.). McGraw-Hill.
Cita Chicago Style (17a ed.)Smith, William Griswold. Practical Descriptive Geometry. 4a ed. New York: McGraw-Hill, 1936.
Cita MLA (9a ed.)Smith, William Griswold. Practical Descriptive Geometry. 4a ed. McGraw-Hill, 1936.
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