APA Style
Almanak Sumatera. (1969).
Medan:
Panitia Almanak Nasional Sumatera.
Chicago Style
Almanak Sumatera.
.
Medan:
Panitia Almanak Nasional Sumatera,
1969.
REF.
MLA Style
Almanak Sumatera.
.
Medan:
Panitia Almanak Nasional Sumatera,
1969.
REF.
Turabian Style
Almanak Sumatera.
Medan:
Panitia Almanak Nasional Sumatera,
1969.
REF.