PITTY, A. F. (1971). Introduction to geomorphology - Alistair F. Pitty. Methues & Co Ltd.
Lua i Stíl Chicago (17ú heag.)PITTY, Alistair F. Introduction to Geomorphology - Alistair F. Pitty. Methues & Co Ltd, 1971.
Lua MLA (8ú heag.)PITTY, Alistair F. Introduction to Geomorphology - Alistair F. Pitty. Methues & Co Ltd, 1971.
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