SPINETTO RICHERD D. (1991). LOTUS 1-2-3 WORK BOOK LEARN BY DOING IBM PC VERSION. GALGOTIA PUBLICATIONS.
Chicago-čujuhus (17. p.)SPINETTO RICHERD D. LOTUS 1-2-3 WORK BOOK LEARN BY DOING IBM PC VERSION. NEW DELHI: GALGOTIA PUBLICATIONS, 1991.
MLA-čujuhus (9. p.)SPINETTO RICHERD D. LOTUS 1-2-3 WORK BOOK LEARN BY DOING IBM PC VERSION. GALGOTIA PUBLICATIONS, 1991.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.