Szymanski, R. Introduction to Computers and Information Systems. Columbus: Merrill Publ. Co., 1988 XVII, 576 с. : с цв. ил., сн. 0675-207681-04.
Szymanski, R. Introduction to Computers and Information Systems. Columbus: Merrill Publ. Co., 1988 XVII, 576 с. : с цв. ил., сн. 0675-207681-04.
Szymanski, R. (1988) Introduction to Computers and Information Systems, Columbus: Merrill Publ. Co. XVII, 576 с. : с цв. ил., сн. 0675-207681-04.
Szymanski, R. (1988). Introduction to Computers and Information Systems. [Учебник]. Columbus: Merrill Publ. Co., XVII, 576 с. : с цв. ил., сн.
Szymanski R. Introduction to Computers and Information Systems: [Учебник]. Columbus: Merrill Publ. Co.; 1988. p. XVII, 576 с. : с цв. ил., сн. ISBN: 0675-207681-04.