Gaya APA
Panggabean, R.
(1994).
AMI PRO 3
(
1)
.
Atheneum, New York:
Andi Offset.
Gaya MLA
Panggabean, Ronny.
"AMI PRO 3".
1
Atheneum, New York:
Andi Offset,
1994.
Text.