Bittle L.R. (1987). What Every Supervisor Should Know. TMH.
Chicago-čujuhus (17. p.)Bittle L.R. What Every Supervisor Should Know. New Delhi: TMH, 1987.
MLA-čujuhus (9. p.)Bittle L.R. What Every Supervisor Should Know. TMH, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.