WALKER ROGER S. (1987). UNDERSTANDING COMPUTER SCIENCE APPLICATIONS. TAXAS INSTRUMENTS INFORMATION PUBLISHING CNETRE.
Chicago-viite (17. p.)WALKER ROGER S. UNDERSTANDING COMPUTER SCIENCE APPLICATIONS. DALLAS, TEXAS: TAXAS INSTRUMENTS INFORMATION PUBLISHING CNETRE, 1987.
MLA-viite (9. p.)WALKER ROGER S. UNDERSTANDING COMPUTER SCIENCE APPLICATIONS. TAXAS INSTRUMENTS INFORMATION PUBLISHING CNETRE, 1987.
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