APA

NORTONS P., . (2000). introduction to computers. Washington،: glencoe mcgraw-hill.

Chicago

NORTONS PETER, . 2000. introduction to computers. Washington،: glencoe mcgraw-hill.

Harvard

NORTONS P., . (2000). introduction to computers. Washington،: glencoe mcgraw-hill.

MLA

NORTONS PETER, . introduction to computers. Washington،: glencoe mcgraw-hill. 2000.