Gaya APA
MARPAUNG, B, O., LUBIS, K. (2016).
Unplanned settlement form in Polonia Village Medan Indonesia .
Surabaya:
LPPM Univ Petra.
Gaya MLA
MARPAUNG, Beny, O.Y., LUBIS, Khalimah.
"Unplanned settlement form in Polonia Village Medan Indonesia".
Surabaya:
LPPM Univ Petra,
2016.
Artikel.