Szymanski, Robert, al., et Introduction to Computers and Information Systems,
Merrill Publishing Company, 1988, 577 p. : ill., 0-675-20768-1.
Szymanski, Robert, al., et.
Introduction to Computers and Information Systems.
Columbus: Merrill Publishing Company, 1988, 577 p. : ill., 0-675-20768-1.
Szymanski, Robert, al., et (1988)
Introduction to Computers and Information Systems,
Columbus: Merrill Publishing Company, 577 p. : ill., 0-675-20768-1