SPINETTO RICHERD D. (1991). LOTUS 1-2-3 WORK BOOK LEARN BY DOING IBM PC VERSION. GALGOTIA PUBLICATIONS.
芝加哥风格引文SPINETTO RICHERD D. LOTUS 1-2-3 WORK BOOK LEARN BY DOING IBM PC VERSION. NEW DELHI: GALGOTIA PUBLICATIONS, 1991.
MLA引文SPINETTO RICHERD D. LOTUS 1-2-3 WORK BOOK LEARN BY DOING IBM PC VERSION. GALGOTIA PUBLICATIONS, 1991.
警告：这些引文格式不一定是100％准确.