V.K.Jain. (1994). 'O' Level Module III: System design & Business applications. BPB Publications.
Chicago Edition CitationV.K.Jain. 'O' Level Module III: System Design & Business Applications. New Delhi: BPB Publications, 1994.
MLA Edition CitationV.K.Jain. 'O' Level Module III: System Design & Business Applications. BPB Publications, 1994.
Warning: These citations may not always be 100% accurate.