WEBER SYSTEMS. (1986). IBM PC & XT: USERS HANDBOOK. BPB PUBLICATIONS.
Cita Chicago (17th ed.)WEBER SYSTEMS. IBM PC & XT: USERS HANDBOOK. DELHI: BPB PUBLICATIONS, 1986.
Cita MLA (9th ed.)WEBER SYSTEMS. IBM PC & XT: USERS HANDBOOK. BPB PUBLICATIONS, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.