(1993). The evolution of geomorphology: A Nation-by-Nation Summary of development. Wiley.
Chicago-čujuhus (17. p.)The Evolution of Geomorphology: A Nation-by-Nation Summary of Development. Chichester: Wiley, 1993.
MLA-čujuhus (9. p.)The Evolution of Geomorphology: A Nation-by-Nation Summary of Development. Wiley, 1993.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.