Cita APA (7th ed.)

ROBICHAUD, B., & MUSCAT, E. (1977). Introduction to data processing.-- ed.2. McGraw-Hill.

Cita Chicago (17th ed.)

ROBICHAUD, Beryl, i Eugene MUSCAT. Introduction to Data Processing.-- Ed.2. New York: McGraw-Hill, 1977.

Cita MLA (9th ed.)

ROBICHAUD, Beryl, i Eugene MUSCAT. Introduction to Data Processing.-- Ed.2. McGraw-Hill, 1977.