WeberSystems Incorporati. IBM PC & XT user`s handbook. BPB.
Chicago Style (17th ed.) CitationWeberSystems Incorporati. IBM PC & XT User`s Handbook. New Delhi: BPB.
MLA (9th ed.) CitationWeberSystems Incorporati. IBM PC & XT User`s Handbook. BPB.
Warning: These citations may not always be 100% accurate.