Gaya APA
III, T, W, C, O, T, O. (1995).
repot on VSP Survey .
Bandung:
The working Committee of The ombilin III.
Gaya MLA
III, The, Working, Committee, Of, The, Ombilin.
"repot on VSP Survey".
Bandung:
The working Committee of The ombilin III,
1995.
Batubara.