tiffin, j. (1965). Industrial psychology. Prentice-hall, inc..
Chicago-čujuhus (17. p.)tiffin, joseph. Industrial Psychology. london: Prentice-hall, inc., 1965.
MLA-čujuhus (9. p.)tiffin, joseph. Industrial Psychology. Prentice-hall, inc., 1965.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.