Gaya APA
Sembiring, Marbina. (2010).
Medan Children Science Park .
Medan:
.
Gaya Chicago
Sembiring, Marbina.
Medan Children Science Park.
Medan:
,
2010.
.
Gaya MLA
Sembiring, Marbina.
Medan Children Science Park.
Medan:
,
2010.
.
Gaya Turabian
Sembiring, Marbina.
Medan Children Science Park.
Medan:
,
2010.
.