Citazione APA

Norton, P. (1987). Peter Norton's DOS guide (Rev. & expanded.). Brady : Distributed by Prentice Hall Trade.

Stile di citazione Chicago

Norton, Peter. Peter Norton's DOS Guide. Rev. & expanded. New York, N.Y.: Brady : Distributed by Prentice Hall Trade, 1987.

Citazione MLA

Norton, Peter. Peter Norton's DOS Guide. Rev. & expanded. Brady : Distributed by Prentice Hall Trade, 1987.