GOTTFRIED, B. S. (1982). Theory and problems of programming with basic: Including microcomputer basic (2nd ed.). McGraw-Hill International.
Chicago-viite (17. p.)GOTTFRIED, Byron S. Theory and Problems of Programming with Basic: Including Microcomputer Basic. 2nd ed. Singapore: McGraw-Hill International, 1982.
MLA-viite (9. p.)GOTTFRIED, Byron S. Theory and Problems of Programming with Basic: Including Microcomputer Basic. 2nd ed. McGraw-Hill International, 1982.
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