Gaya APA
Pangaribuan, R.
(1995).
The Indonesian state secretariat 1945-1993
.
Jakarta:
Pustaka Sinar Harapan.
Gaya MLA
Pangaribuan, Robinson.
"The Indonesian state secretariat 1945-1993".
Jakarta:
Pustaka Sinar Harapan,
1995.
Book.