APA aipamena

PITTY, A. F. (1982). The nature of geomorphology. Methuen.

Chicago Style aipamena

PITTY, Alistair F. The Nature of Geomorphology. London: Methuen, 1982.

MLA aipamena

PITTY, Alistair F. The Nature of Geomorphology. Methuen, 1982.