Pethick, J. (1984). an Introduction to coastal Geomorphology. Arnold.
Chicago-čujuhus (17. p.)Pethick, John. An Introduction to Coastal Geomorphology. London: Arnold, 1984.
MLA-čujuhus (9. p.)Pethick, John. An Introduction to Coastal Geomorphology. Arnold, 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.