Newcomer, L. R. (1986). Theory and problems of programming with structured COBOL. Mc Graw - Hill.
Dyfyniad Arddull ChicagoNewcomer, Lawrence R. Theory and Problems of Programming with Structured COBOL. New Delhi: Mc Graw - Hill, 1986.
Dyfyniad MLANewcomer, Lawrence R. Theory and Problems of Programming with Structured COBOL. Mc Graw - Hill, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.