STEVENS AL. (1990). TEACH YOUR SELF DOS 3.3 AND 4.0. BPB PUB.
Cita Chicago (17th ed.)STEVENS AL. TEACH YOUR SELF DOS 3.3 AND 4.0. BPB PUB, 1990.
Cita MLA (9th ed.)STEVENS AL. TEACH YOUR SELF DOS 3.3 AND 4.0. BPB PUB, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.