Thomas,Robert M. DOS 6 & 6.2 instant reference (2.). BPB Publications.
Chicago Edition CitationThomas,Robert M. DOS 6 & 6.2 Instant Reference. 2. New Delhi: BPB Publications.
MLA Edition CitationThomas,Robert M. DOS 6 & 6.2 Instant Reference. 2. BPB Publications.
Warning: These citations may not always be 100% accurate.