Upfield, A. W. (1986). Man of two tribes. Collier Books, Macmillan Publishing Company.
Chicago-čujuhus (17. p.)Upfield, Arthur W. Man of Two Tribes. New York: Collier Books, Macmillan Publishing Company, 1986.
MLA-čujuhus (9. p.)Upfield, Arthur W. Man of Two Tribes. Collier Books, Macmillan Publishing Company, 1986.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.