Simpson, A. (1993). Mastering Wordperfect 6 for DOS. BPB publications.
Chicago Edition CitationSimpson, Alan. Mastering Wordperfect 6 for DOS. New Delhi: BPB publications, 1993.
Deismireacht MLASimpson, Alan. Mastering Wordperfect 6 for DOS. BPB publications, 1993.
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