Haag, S., Cummings, M., & Rea, A. I. (2004). Computing concepts: Complete edition (Second edition.). McGraw-Hill Technology Education.
Lua i Stíl Chicago (17ú heag.)Haag, Stephen, Maeve Cummings, agus Alan I. Rea. Computing Concepts: Complete Edition. Second edition. Boston: McGraw-Hill Technology Education, 2004.
Lua MLA (8ú heag.)Haag, Stephen, et al. Computing Concepts: Complete Edition. Second edition. McGraw-Hill Technology Education, 2004.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.