Cita APA (7th ed.)

Harvey, G., & Nelson, K. Y. (1988). Lotus 1-2-3 instant reference. Sybex.

Cita Chicago (17th ed.)

Harvey, Greg, i Kay Yarborough Nelson. Lotus 1-2-3 Instant Reference. San Francisco, Ca: Sybex, 1988.

Cita MLA (9th ed.)

Harvey, Greg, i Kay Yarborough Nelson. Lotus 1-2-3 Instant Reference. Sybex, 1988.