Cita APA (7th ed.)

O'LEARY, T. J., & O'LEARY, L. I. (2013). Computing essentials 2013 introductory. McGraw-Hill Book Company.

Cita Chicago (17th ed.)

O'LEARY, Timothy J., i Linda I. O'LEARY. Computing Essentials 2013 Introductory. McGraw-Hill Book Company, 2013.

Cita MLA (9th ed.)

O'LEARY, Timothy J., i Linda I. O'LEARY. Computing Essentials 2013 Introductory. McGraw-Hill Book Company, 2013.