Johannsen, A. (1918). Manual of petrographic methods (2nd. ed., 3rd. reimpr.). McGraw-Hill.
Cita Chicago Style (17a ed.)Johannsen, Albert. Manual of Petrographic Methods. 2nd. ed., 3rd. reimpr. New York, NY: McGraw-Hill, 1918.
Cita MLA (8a ed.)Johannsen, Albert. Manual of Petrographic Methods. 2nd. ed., 3rd. reimpr. McGraw-Hill, 1918.
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