APA Style
Hutabarat, S. Arifin. ([s.a]).
Business guide book to Djakarta 1970 .
:
Djakarta : Ginsi.
Chicago Style
Hutabarat, S. Arifin.
Business guide book to Djakarta 1970.
:
Djakarta : Ginsi,
[s.a].
.
MLA Style
Hutabarat, S. Arifin.
Business guide book to Djakarta 1970.
:
Djakarta : Ginsi,
[s.a].
.
Turabian Style
Hutabarat, S. Arifin.
Business guide book to Djakarta 1970.
:
Djakarta : Ginsi,
[s.a].
.