Cita APA (7th ed.)

SILVER GERALD A. (1981). DATA PROCESSING FOR BUSINESS (3RD.). HARCOURT.

Cita Chicago (17th ed.)

SILVER GERALD A. DATA PROCESSING FOR BUSINESS. 3RD. U.S.A: HARCOURT, 1981.

Cita MLA (9th ed.)

SILVER GERALD A. DATA PROCESSING FOR BUSINESS. 3RD. HARCOURT, 1981.