Cita APA (7th ed.)

Long, L. E. (1994). Introduction to computers and information processing (4th ed.). Global Publishing.

Cita Chicago (17th ed.)

Long, Larry E. Introduction to Computers and Information Processing. 4th ed. Manila: Global Publishing, 1994.

Cita MLA (9th ed.)

Long, Larry E. Introduction to Computers and Information Processing. 4th ed. Global Publishing, 1994.