APA aipamena

Longwell, C. R. (1959). Outlines of physical geology (2nd ed.).

Chicago Style aipamena

Longwell, Chester R. Outlines of Physical Geology. 2nd ed. 1959.

MLA aipamena

Longwell, Chester R. Outlines of Physical Geology. 2nd ed. 1959.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.