Cita APA (7th ed.)

Shelly, G. B. (1992). Complete computer concepts. Boyd & Fraser Pub. Co..

Cita Chicago (17th ed.)

Shelly, Gary B. Complete Computer Concepts. Danvers, Mass.: Boyd & Fraser Pub. Co., 1992.

Cita MLA (8th ed.)

Shelly, Gary B. Complete Computer Concepts. Boyd & Fraser Pub. Co., 1992.