Deismireacht APA

Ruth Ashley, J. N. F. (1985). PC DOS: Using IBM PC operating system. John Wiley and Sons.

Chicago Edition Citation

Ruth Ashley, Judi N Fernandez. PC DOS: Using IBM PC Operating System. John Wiley and Sons, 1985.

Deismireacht MLA

Ruth Ashley, Judi N Fernandez. PC DOS: Using IBM PC Operating System. John Wiley and Sons, 1985.

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