Cita APA (7th ed.)

VERZELLO, R. J., & REUTTER, J. I. (1982). Data processing systems and concepts. McGraw-Hill.

Cita Chicago (17th ed.)

VERZELLO, Robert J., i John III REUTTER. Data Processing Systems and Concepts. New York: McGraw-Hill, 1982.

Cita MLA (9th ed.)

VERZELLO, Robert J., i John III REUTTER. Data Processing Systems and Concepts. McGraw-Hill, 1982.