Gaya APA
Longkutoy, J, J., Sual, R, Y.
(1985).
Basic microsoft versi CP/M
.
Jakarta:
Mutiara Sumber Widya.
Gaya MLA
Longkutoy, John, J.., Sual, Reinhard, YH..
"Basic microsoft versi CP/M".
Jakarta:
Mutiara Sumber Widya,
1985.
Printed Book.