APA aipamena

Pitty, A. F. (1971). Introduction to geomorphology. Methuen.

Chicago Style aipamena

Pitty, Alistair F. Introduction to Geomorphology. London: Methuen, 1971.

MLA aipamena

Pitty, Alistair F. Introduction to Geomorphology. Methuen, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.