Gaya APA
O\'Brien, J, A. (1986).
Computers and information processing: with software tutorial and BASIC (ed. 2).
USA:
RICHARD D. IRWIN.
Gaya MLA
O\'Brien, James, A..
"Computers and information processing: with software tutorial and BASIC".
ed. 2
USA:
RICHARD D. IRWIN,
1986.
Text.