WILLIAMS ROBERT E. (1986). THE MANUAL: LOTUS 1-2-3 INCLUDES RELEASE 2. BPB PUBLICATIONS.
Cita Chicago (17th ed.)WILLIAMS ROBERT E. THE MANUAL: LOTUS 1-2-3 INCLUDES RELEASE 2. DELHI: BPB PUBLICATIONS, 1986.
Cita MLA (9th ed.)WILLIAMS ROBERT E. THE MANUAL: LOTUS 1-2-3 INCLUDES RELEASE 2. BPB PUBLICATIONS, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.