Gaya APA
Lubis, A, M.
(1994/1995).
Pangulubalang Statue Of Batak Region Of North Sumatera
.
Jakarta:
Depdikbud.
Gaya MLA
Lubis, A., Mukti.
"Pangulubalang Statue Of Batak Region Of North Sumatera".
Jakarta:
Depdikbud,
1994/1995.
Text.