Uptec Computer Consultan. (2002). Information technology: Acc. to DOEACC syllabus for O level examination. Excel.
Citazione stile Chigago Style (17a edizione)Uptec Computer Consultan. Information Technology: Acc. to DOEACC Syllabus for O Level Examination. New Delhi: Excel, 2002.
Citatione MLA (9a ed.)Uptec Computer Consultan. Information Technology: Acc. to DOEACC Syllabus for O Level Examination. Excel, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.