Williams, A. T. (1985). Lotus 1-2-3 from A to Z. National Book Store.
Cita Chicago (17th ed.)Williams, Andrew T. Lotus 1-2-3 from A to Z. Manila: National Book Store, 1985.
Cita MLA (9th ed.)Williams, Andrew T. Lotus 1-2-3 from A to Z. National Book Store, 1985.
Atenció: Aquestes cites poden no estar 100% correctes.