(1987). The encyclopedia of careers and vocational guidance: Selecting a technician's career (7th ed.). J.G. Ferguson publishing co..
Chicago-čujuhus (17. p.)The Encyclopedia of Careers and Vocational Guidance: Selecting a Technician's Career. 7th ed. Chicago: J.G. Ferguson publishing co., 1987.
MLA-čujuhus (9. p.)The Encyclopedia of Careers and Vocational Guidance: Selecting a Technician's Career. 7th ed. J.G. Ferguson publishing co., 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.