White, L. C. (1936). Geography: An introduction to human ecology. D. Appleton Century Company.
Chicago-čujuhus (17. p.)White, Longdon C. Geography: An Introduction to Human Ecology. New York: D. Appleton Century Company, 1936.
MLA-čujuhus (9. p.)White, Longdon C. Geography: An Introduction to Human Ecology. D. Appleton Century Company, 1936.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.