Francis, G. (1980). Human behaviour in the work environment. Goodyear.
Chicago-čujuhus (17. p.)Francis, G. Human Behaviour in the Work Environment. California: Goodyear, 1980.
MLA-čujuhus (9. p.)Francis, G. Human Behaviour in the Work Environment. Goodyear, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.