Gaya APA
Isalan and The West. (1993).
Padang Sidempuan:
[s.n.].
Gaya Chicago
Isalan and The West.
1.
Padang Sidempuan:
[s.n.],
1993.
Text.
Gaya MLA
Isalan and The West.
1.
Padang Sidempuan:
[s.n.],
1993.
Text.
Gaya Turabian
Isalan and The West.
Padang Sidempuan:
[s.n.],
1993.
Print.