Krumbein, W. C., & Pettijohn, F. J. (1938). Manual of sedimentary petrography. Appleton.
Chicago Edition CitationKrumbein, W C., i F J. Pettijohn. Manual of Sedimentary Petrography. New york: Appleton, 1938.
Cita MLAKrumbein, W C., i F J. Pettijohn. Manual of Sedimentary Petrography. Appleton, 1938.
Atenció: Aquestes cites poden no estar 100% correctes.