Davis ? William Morris. (1954). Geographical essays. Dower Publications.
Chicago-čujuhus (17. p.)Davis ? William Morris. Geographical Essays. New York,: Dower Publications, 1954.
MLA-čujuhus (9. p.)Davis ? William Morris. Geographical Essays. Dower Publications, 1954.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.