Ferguson, E. (1984). Special libraries at work. Professional Pub.
Chicago-čujuhus (17. p.)Ferguson, Elizabeth. Special Libraries at Work. Hamden, Conn. :Library: Professional Pub, 1984.
MLA-čujuhus (9. p.)Ferguson, Elizabeth. Special Libraries at Work. Professional Pub, 1984.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.