LEDGARD HANRY. (1982). ELEMENTRY PASCAL. SCIENCE RESEARCH.
Chicago-čujuhus (17. p.)LEDGARD HANRY. ELEMENTRY PASCAL. I B M: SCIENCE RESEARCH, 1982.
MLA-čujuhus (9. p.)LEDGARD HANRY. ELEMENTRY PASCAL. SCIENCE RESEARCH, 1982.
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