Pettijohn, F. J. (1957). Sedimentary rocks. Oxford University.
Chicago Style aipamenaPettijohn, F. J. Sedimentary Rocks. Calcutta: Oxford University, 1957.
MLA aipamenaPettijohn, F. J. Sedimentary Rocks. Oxford University, 1957.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.