Gaya APA
Sinaga, Ronald Leonardo. (2007).
Hotel Resort di Kawasan wisata Pantai Cermin .
Medan:
.
Gaya Chicago
Sinaga, Ronald Leonardo.
Hotel Resort di Kawasan wisata Pantai Cermin.
Medan:
,
2007.
.
Gaya MLA
Sinaga, Ronald Leonardo.
Hotel Resort di Kawasan wisata Pantai Cermin.
Medan:
,
2007.
.
Gaya Turabian
Sinaga, Ronald Leonardo.
Hotel Resort di Kawasan wisata Pantai Cermin.
Medan:
,
2007.
.