Krumbein, W. C., & Pettijohn, F. J. (1938). Manual of sedimentary petrography. Appleton.
Chicago Style aipamenaKrumbein, W C., and F J. Pettijohn. Manual of Sedimentary Petrography. New york: Appleton, 1938.
MLA aipamenaKrumbein, W C., and F J. Pettijohn. Manual of Sedimentary Petrography. Appleton, 1938.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.