Cita APA (7th ed.)

Silver, G. A., & Silver, J. B. (1977). Study guide to accompany data processing for business (2nd ed.). Harcourt Brace Jovanovich.

Cita Chicago (17th ed.)

Silver, Gerald A., i Joan B. Silver. Study Guide to Accompany Data Processing for Business. 2nd ed. New York: Harcourt Brace Jovanovich, 1977.

Cita MLA (8th ed.)

Silver, Gerald A., i Joan B. Silver. Study Guide to Accompany Data Processing for Business. 2nd ed. Harcourt Brace Jovanovich, 1977.