Gaya APA
O'LEARY, T, J., O,LEARY, L, I.
(1999).
Computing essentials 1999-2000
.
Boston:
Irwin McGraw-Hill.
Gaya MLA
O'LEARY, Timothy, J.., O,LEARY, Linda, I.O..
"Computing essentials 1999-2000".
Boston:
Irwin McGraw-Hill,
1999.
Buku.