RAJARAMAN V. (1985). COMPUTER PROGRAMMING IN COBOL. PRENTICE -HALL INTERNATIONAL, INC.
Chicago-viite (17. p.)RAJARAMAN V. COMPUTER PROGRAMMING IN COBOL. NEW JERSEY,USA: PRENTICE -HALL INTERNATIONAL, INC, 1985.
MLA-viite (9. p.)RAJARAMAN V. COMPUTER PROGRAMMING IN COBOL. PRENTICE -HALL INTERNATIONAL, INC, 1985.
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