Bews, J. W. (1935). Human Ecology (1st. ed.). Oxford University Press.
Chicago-čujuhus (17. p.)Bews, John William. Human Ecology. 1st. ed. New york: Oxford University Press, 1935.
MLA-čujuhus (9. p.)Bews, John William. Human Ecology. 1st. ed. Oxford University Press, 1935.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.