THORNBURY, W. D. (1969). Principles of geomorphology.-- Ed.2. John Wiley and Sons.
Chicago-čujuhus (17. p.)THORNBURY, William D. Principles of Geomorphology.-- Ed.2. New York: John Wiley and Sons, 1969.
MLA-čujuhus (9. p.)THORNBURY, William D. Principles of Geomorphology.-- Ed.2. John Wiley and Sons, 1969.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.