Gaya APA
Tampubolon, R.
(2012).
[Kerjasama] SALES IN YOU
.
Sukoharjo:
Oase Pustaka.
Gaya MLA
Tampubolon, Remaja.
"[Kerjasama] SALES IN YOU".
Sukoharjo:
Oase Pustaka,
2012.
Text.