Krumbein, W. C., & Pettijohn, F. J. (1938). Manual of sedimentary petrography: I. Sampling, preparation for analysis, mechanical analysis and statistical analysis, by W.C. Krumbein. II. Shape analysis, mineralogical analysis, chemical analysis and mass properties. D. Appleton-Century company, incorporated.
Cita Chicago (17th ed.)Krumbein, William Christian, i F. J. Pettijohn. Manual of Sedimentary Petrography: I. Sampling, Preparation for Analysis, Mechanical Analysis and Statistical Analysis, by W.C. Krumbein. II. Shape Analysis, Mineralogical Analysis, Chemical Analysis and Mass Properties. New York, London: D. Appleton-Century company, incorporated, 1938.
Cita MLA (9th ed.)Krumbein, William Christian, i F. J. Pettijohn. Manual of Sedimentary Petrography: I. Sampling, Preparation for Analysis, Mechanical Analysis and Statistical Analysis, by W.C. Krumbein. II. Shape Analysis, Mineralogical Analysis, Chemical Analysis and Mass Properties. D. Appleton-Century company, incorporated, 1938.