O'Leary, T. J. (2004). Computing essentials 2004. Boston: McGraw-Hill/Irwin.
Trích dẫn kiểu ChicagoO'Leary, Timothy J. Computing Essentials 2004. Boston: McGraw-Hill/Irwin, 2004.
Deismireacht MLAO'Leary, Timothy J. Computing Essentials 2004. Boston: McGraw-Hill/Irwin, 2004.
Rabhadh: D'fhéadfadh nach mbeadh na deismireachtaí seo 100% cruinn i gcónaí.