Cita APA (7th ed.)

Sanders, D. H. (1985). Computers today (2nd ed.). National Book Store.

Cita Chicago (17th ed.)

Sanders, Donald H. Computers Today. 2nd ed. Manila: National Book Store, 1985.

Cita MLA (9th ed.)

Sanders, Donald H. Computers Today. 2nd ed. National Book Store, 1985.