Cita APA (7th ed.)

Greenberg, P. J., & Greenberg, R. (1986). The complete guide to dBase III: A self-teaching guide. Wiley.

Cita Chicago (17th ed.)

Greenberg, Philip J., i Rita Greenberg. The Complete Guide to DBase III: A Self-teaching Guide. Nueva York: Wiley, 1986.

Cita MLA (9th ed.)

Greenberg, Philip J., i Rita Greenberg. The Complete Guide to DBase III: A Self-teaching Guide. Wiley, 1986.