HUGHES,E. (1987). ELECTRICAL TECHNOLOGY 6TH ED. LONGMAN GROUPS ELBS.
Chicago-čujuhus (17. p.)HUGHES,E. ELECTRICAL TECHNOLOGY 6TH ED. U K: LONGMAN GROUPS ELBS, 1987.
MLA-čujuhus (9. p.)HUGHES,E. ELECTRICAL TECHNOLOGY 6TH ED. LONGMAN GROUPS ELBS, 1987.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.