SMITHERS JEREMY. (1988). THIS IS IT: MANAGERS`GUIDE TO INFORMATION TECHNOLOGY (2ND.). PHILIP ALLEN.
Lua i Stíl Chicago (17ú heag.)SMITHERS JEREMY. THIS IS IT: MANAGERS`GUIDE TO INFORMATION TECHNOLOGY. 2ND. LONDON: PHILIP ALLEN, 1988.
Lua MLA (9ú heag.)SMITHERS JEREMY. THIS IS IT: MANAGERS`GUIDE TO INFORMATION TECHNOLOGY. 2ND. PHILIP ALLEN, 1988.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.