LONGWELL, C. R. (1955). Introduction physical geology - Chester R. Longwell; Richard Foster Flint. John Wiley & Sons.
Chicago Style aipamenaLONGWELL, Chester R. Introduction Physical Geology - Chester R. Longwell; Richard Foster Flint. John Wiley & Sons, 1955.
MLA aipamenaLONGWELL, Chester R. Introduction Physical Geology - Chester R. Longwell; Richard Foster Flint. John Wiley & Sons, 1955.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.