(1981). Improving guidance programs / Norman C. Gysbers, Earl J. Moore.
Chicago-čujuhus (17. p.)Improving Guidance Programs / Norman C. Gysbers, Earl J. Moore. 1981.
MLA-čujuhus (9. p.)Improving Guidance Programs / Norman C. Gysbers, Earl J. Moore. 1981.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.