Gaya APA

FREDERIK, W, A. (2012). After sale service to imported goods in realizing law enforcemant of consumer protection . Jakarta: Lembaga Pengkajian Hukum Int. UI.

Gaya MLA

FREDERIK, Wulanmas, A.P.G. "After sale service to imported goods in realizing law enforcemant of consumer protection". Jakarta: Lembaga Pengkajian Hukum Int. UI, 2012. Artikel.